Wesco Aircraft : SC 13G/A

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

(Rule 13d-102)

Information to be Included in Statements Filed Pursuant to § 240.13d-1(b), (c) and (d) and Amendments Thereto Filed Pursuant to § 240.13d-2

Under the Securities Exchange Act of 1934

(Amendment No. 8)*

Wesco Aircraft Holdings, Inc.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

950814103

(CUSIP Number)

January 9, 2020

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

• Rule 13d-1(b)
• Rule 13d-1(c)x Rule 13d-1(d)

* The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

CUSIP No. 950814103

Schedule 13G

• Names of Reporting Persons The Carlyle Group Inc.

• Check the Appropriate Box if a Member of a Group
• 1. o
  2. o

• SEC Use Only

• Citizenship or Place of Organization Delaware

	5
Number of	6
Shares
Beneficially
Owned by
Each	7
Reporting
Person With
	8

Sole Voting Power 0

Shared Voting Power 0

Sole Dispositive Power 0

Shared Dispositive Power 0

• Aggregate Amount Beneficially Owned by Each Reporting Person 0

1. Check if the Aggregate Amount in Row (9) Excludes Certain Shares Not Applicable
2. Percent of Class Represented by Amount in Row 9 0%
3. Type of Reporting Person
   CO

1

CUSIP No. 950814103

Schedule 13G

• Names of Reporting Persons Carlyle Group Management L.L.C.

• Check the Appropriate Box if a Member of a Group
• 1. o
  2. o

• SEC Use Only

• Citizenship or Place of Organization Delaware

	5
Number of	6
Shares
Beneficially
Owned by
Each	7
Reporting
Person With
	8

Sole Voting Power 0

Shared Voting Power 0

Sole Dispositive Power 0

Shared Dispositive Power 0

• Aggregate Amount Beneficially Owned by Each Reporting Person 0

1. Check if the Aggregate Amount in Row (9) Excludes Certain Shares Not Applicable
2. Percent of Class Represented by Amount in Row 9 0%
3. Type of Reporting Person
   OO (Limited Liability Company)

2

CUSIP No. 950814103

Schedule 13G

• Names of Reporting Persons Carlyle Holdings I GP Inc.

• Check the Appropriate Box if a Member of a Group
• 1. o
  2. o

• SEC Use Only

• Citizenship or Place of Organization Delaware

	5
Number of	6
Shares
Beneficially
Owned by
Each	7
Reporting
Person With
	8

Sole Voting Power 0

Shared Voting Power 0

Sole Dispositive Power 0

Shared Dispositive Power 0

• Aggregate Amount Beneficially Owned by Each Reporting Person 0

1. Check if the Aggregate Amount in Row (9) Excludes Certain Shares Not Applicable
2. Percent of Class Represented by Amount in Row 9 0%
3. Type of Reporting Person
   CO

3

CUSIP No. 950814103

Schedule 13G

• Names of Reporting Persons Carlyle Holdings I GP Sub L.L.C.

• Check the Appropriate Box if a Member of a Group
• 1. o
  2. o

• SEC Use Only

• Citizenship or Place of Organization Delaware

	5
Number of	6
Shares
Beneficially
Owned by
Each	7
Reporting
Person With
	8

Sole Voting Power 0

Shared Voting Power 0

Sole Dispositive Power 0

Shared Dispositive Power 0

• Aggregate Amount Beneficially Owned by Each Reporting Person 0

1. Check if the Aggregate Amount in Row (9) Excludes Certain Shares Not Applicable
2. Percent of Class Represented by Amount in Row 9 0%
3. Type of Reporting Person
   OO (Limited Liability Company)

4

CUSIP No. 950814103

Schedule 13G

• Names of Reporting Persons Carlyle Holdings I L.P.

• Check the Appropriate Box if a Member of a Group
• 1. o
  2. o

• SEC Use Only

• Citizenship or Place of Organization Delaware

	5
Number of	6
Shares
Beneficially
Owned by
Each	7
Reporting
Person With
	8

Sole Voting Power 0

Shared Voting Power 0

Sole Dispositive Power 0

Shared Dispositive Power 0

• Aggregate Amount Beneficially Owned by Each Reporting Person 0

1. Check if the Aggregate Amount in Row (9) Excludes Certain Shares Not Applicable
2. Percent of Class Represented by Amount in Row 9 0%
3. Type of Reporting Person
   PN

5

CUSIP No. 950814103

Schedule 13G

• Names of Reporting Persons CG Subsidiary Holdings L.L.C.

• Check the Appropriate Box if a Member of a Group
• 1. o
  2. o

• SEC Use Only

• Citizenship or Place of Organization Delaware

	5
Number of	6
Shares
Beneficially
Owned by
Each	7
Reporting
Person With
	8

Sole Voting Power 0

Shared Voting Power 0

Sole Dispositive Power 0

Shared Dispositive Power 0

• Aggregate Amount Beneficially Owned by Each Reporting Person 0

1. Check if the Aggregate Amount in Row (9) Excludes Certain Shares Not Applicable
2. Percent of Class Represented by Amount in Row 9 0%
3. Type of Reporting Person
   OO (Limited Liability Company)

6

CUSIP No. 950814103

Schedule 13G

• Names of Reporting Persons TC Group, L.L.C.

• Check the Appropriate Box if a Member of a Group
• 1. o
  2. o

• SEC Use Only

• Citizenship or Place of Organization Delaware

	5
Number of	6
Shares
Beneficially
Owned by
Each	7
Reporting
Person With
	8

Sole Voting Power 0

Shared Voting Power 0

Sole Dispositive Power 0

Shared Dispositive Power 0

• Aggregate Amount Beneficially Owned by Each Reporting Person 0

1. Check if the Aggregate Amount in Row (9) Excludes Certain Shares Not Applicable
2. Percent of Class Represented by Amount in Row 9 0%
3. Type of Reporting Person
   OO (Limited Liability Company)

7

CUSIP No. 950814103

Schedule 13G

• Names of Reporting Persons
  TC Group IV Managing GP, L.L.C.

• Check the Appropriate Box if a Member of a Group
• 1. o
  2. o

• SEC Use Only

• Citizenship or Place of Organization Delaware

	5
Number of	6
Shares
Beneficially
Owned by
Each	7
Reporting
Person With
	8

Sole Voting Power 0

Shared Voting Power 0

Sole Dispositive Power 0

Shared Dispositive Power 0

• Aggregate Amount Beneficially Owned by Each Reporting Person 0

1. Check if the Aggregate Amount in Row (9) Excludes Certain Shares Not Applicable
2. Percent of Class Represented by Amount in Row 9 0%
3. Type of Reporting Person
   OO (Limited Liability Company)

8

CUSIP No. 950814103

Schedule 13G

• Names of Reporting Persons Falcon Aerospace Holdings, LLC

• Check the Appropriate Box if a Member of a Group
• 1. o
  2. o

• SEC Use Only

• Citizenship or Place of Organization Delaware

	5
Number of	6
Shares
Beneficially
Owned by
Each	7
Reporting
Person With
	8

Sole Voting Power 0

Shared Voting Power 0

Sole Dispositive Power 0

Shared Dispositive Power 0

• Aggregate Amount Beneficially Owned by Each Reporting Person 0

1. Check if the Aggregate Amount in Row (9) Excludes Certain Shares Not Applicable
2. Percent of Class Represented by Amount in Row 9 0%
3. Type of Reporting Person
   OO (Limited Liability Company)

9

CUSIP No. 950814103

Schedule 13G

• Names of Reporting Persons Han Sun Cho

• Check the Appropriate Box if a Member of a Group
• 1. o
  2. o

• SEC Use Only

• Citizenship or Place of Organization United States

	5
Number of	6
Shares
Beneficially
Owned by
Each	7
Reporting
Person With
	8

Sole Voting Power 0

Shared Voting Power 0

Sole Dispositive Power 0

Shared Dispositive Power 0

• Aggregate Amount Beneficially Owned by Each Reporting Person 0

1. Check if the Aggregate Amount in Row (9) Excludes Certain Shares Not Applicable
2. Percent of Class Represented by Amount in Row 9 0%
3. Type of Reporting Person
   IN

10

CUSIP No. 950814103

Schedule 13G

• Names of Reporting Persons Victoria J. Conner

• Check the Appropriate Box if a Member of a Group
• 1. o
  2. o

• SEC Use Only

• Citizenship or Place of Organization United States

	5
Number of	6
Shares
Beneficially
Owned by
Each	7
Reporting
Person With
	8

Sole Voting Power 0

Shared Voting Power 0

Sole Dispositive Power 0

Shared Dispositive Power 0

• Aggregate Amount Beneficially Owned by Each Reporting Person 0

1. Check if the Aggregate Amount in Row (9) Excludes Certain Shares Not Applicable
2. Percent of Class Represented by Amount in Row 9 0%
3. Type of Reporting Person
   IN

11

CUSIP No. 950814103

Schedule 13G

• Names of Reporting Persons Gregory Dietz

• Check the Appropriate Box if a Member of a Group
• 1. o
  2. o

• SEC Use Only

• Citizenship or Place of Organization United States

	5
Number of	6
Shares
Beneficially
Owned by
Each	7
Reporting
Person With
	8

Sole Voting Power 0

Shared Voting Power 0

Sole Dispositive Power 0

Shared Dispositive Power 0

• Aggregate Amount Beneficially Owned by Each Reporting Person 0

1. Check if the Aggregate Amount in Row (9) Excludes Certain Shares Not Applicable
2. Percent of Class Represented by Amount in Row 9 0%
3. Type of Reporting Person
   IN

12

CUSIP No. 950814103

Schedule 13G

• Names of Reporting Persons Paul E. Fulchino

• Check the Appropriate Box if a Member of a Group
• 1. o
  2. o

• SEC Use Only

• Citizenship or Place of Organization United States

	5
Number of	6
Shares
Beneficially
Owned by
Each	7
Reporting
Person With
	8

Sole Voting Power 0

Shared Voting Power 0

Sole Dispositive Power 0

Shared Dispositive Power 0

• Aggregate Amount Beneficially Owned by Each Reporting Person 0

1. Check if the Aggregate Amount in Row (9) Excludes Certain Shares Not Applicable
2. Percent of Class Represented by Amount in Row 9 0%
3. Type of Reporting Person
   IN

13

CUSIP No. 950814103

Schedule 13G

• Names of Reporting Persons
  The Paul E Fulchino 2012 Family Trust

• Check the Appropriate Box if a Member of a Group
• 1. o
  2. o

• SEC Use Only

• Citizenship or Place of Organization Florida

	5
Number of	6
Shares
Beneficially
Owned by
Each	7
Reporting
Person With
	8

Sole Voting Power 0

Shared Voting Power 0

Sole Dispositive Power 0

Shared Dispositive Power 0

• Aggregate Amount Beneficially Owned by Each Reporting Person 0

1. Check if the Aggregate Amount in Row (9) Excludes Certain Shares Not Applicable
2. Percent of Class Represented by Amount in Row 9 0%
3. Type of Reporting Person OO (Trust)

14

CUSIP No. 950814103

Schedule 13G

• Names of Reporting Persons Sheryl Knights

• Check the Appropriate Box if a Member of a Group
• 1. o
  2. o

• SEC Use Only

• Citizenship or Place of Organization United States

	5
Number of	6
Shares
Beneficially
Owned by
Each	7
Reporting
Person With
	8

Sole Voting Power 0

Shared Voting Power 0

Sole Dispositive Power 0

Shared Dispositive Power 0

• Aggregate Amount Beneficially Owned by Each Reporting Person 0

1. Check if the Aggregate Amount in Row (9) Excludes Certain Shares Not Applicable
2. Percent of Class Represented by Amount in Row 9 0%
3. Type of Reporting Person
   IN

15

CUSIP No. 950814103

Schedule 13G

• Names of Reporting Persons Alex Murray

• Check the Appropriate Box if a Member of a Group
• 1. o
  2. o

• SEC Use Only

• Citizenship or Place of Organization United Kingdom

	5
Number of	6
Shares
Beneficially
Owned by
Each	7
Reporting
Person With
	8

Sole Voting Power 0

Shared Voting Power 0

Sole Dispositive Power 0

Shared Dispositive Power 0

• Aggregate Amount Beneficially Owned by Each Reporting Person 0

1. Check if the Aggregate Amount in Row (9) Excludes Certain Shares Not Applicable
2. Percent of Class Represented by Amount in Row 9 0%
3. Type of Reporting Person
   IN

16

CUSIP No. 950814103

Schedule 13G

• Names of Reporting Persons Robert D. Paulson

• Check the Appropriate Box if a Member of a Group
• 1. o
  2. o

• SEC Use Only

• Citizenship or Place of Organization United States

	5
Number of	6
Shares
Beneficially
Owned by
Each	7
Reporting
Person With
	8

Sole Voting Power 0

Shared Voting Power 0

Sole Dispositive Power 0

Shared Dispositive Power 0

• Aggregate Amount Beneficially Owned by Each Reporting Person 0

1. Check if the Aggregate Amount in Row (9) Excludes Certain Shares Not Applicable
2. Percent of Class Represented by Amount in Row 9 0%
3. Type of Reporting Person
   IN

17

CUSIP No. 950814103

Schedule 13G

• Names of Reporting Persons John Segovia

• Check the Appropriate Box if a Member of a Group
• 1. o
  2. o

• SEC Use Only

• Citizenship or Place of Organization United States

	5
Number of	6
Shares
Beneficially
Owned by
Each	7
Reporting
Person With
	8

Sole Voting Power 0

Shared Voting Power 0

Sole Dispositive Power 0

Shared Dispositive Power 0

• Aggregate Amount Beneficially Owned by Each Reporting Person 0

1. Check if the Aggregate Amount in Row (9) Excludes Certain Shares Not Applicable
2. Percent of Class Represented by Amount in Row 9 0%
3. Type of Reporting Person
   IN

18

CUSIP No. 950814103

Schedule 13G

• Names of Reporting Persons Randy J. Snyder

• Check the Appropriate Box if a Member of a Group
• 1. o
  2. o

• SEC Use Only

• Citizenship or Place of Organization United States

	5
Number of	6
Shares
Beneficially
Owned by
Each	7
Reporting
Person With
	8

Sole Voting Power 0

Shared Voting Power 0

Sole Dispositive Power 0

Shared Dispositive Power 0

• Aggregate Amount Beneficially Owned by Each Reporting Person 0

1. Check if the Aggregate Amount in Row (9) Excludes Certain Shares Not Applicable
2. Percent of Class Represented by Amount in Row 9 0%
3. Type of Reporting Person
   IN

19

CUSIP No. 950814103

Schedule 13G

• Names of Reporting Persons
  Joshua Jack Snyder Exempt Trust U/T Randy Snyder 2005 Grantor Trust

• Check the Appropriate Box if a Member of a Group
• 1. o
  2. o

• SEC Use Only

• Citizenship or Place of Organization California

	5
Number of	6
Shares
Beneficially
Owned by
Each	7
Reporting
Person With
	8

Sole Voting Power 0

Shared Voting Power 0

Sole Dispositive Power 0

Shared Dispositive Power 0

• Aggregate Amount Beneficially Owned by Each Reporting Person 0

1. Check if the Aggregate Amount in Row (9) Excludes Certain Shares Not Applicable
2. Percent of Class Represented by Amount in Row 9 0%
3. Type of Reporting Person OO (Trust)

20

CUSIP No. 950814103

Schedule 13G

• Names of Reporting Persons
  Joshua Jack Snyder Exempt Trust U/T Susan Snyder 2005 Grantor Trust

• Check the Appropriate Box if a Member of a Group
• 1. o
  2. o

• SEC Use Only

• Citizenship or Place of Organization California

	5
Number of	6
Shares
Beneficially
Owned by
Each	7
Reporting
Person With
	8

Sole Voting Power 0

Shared Voting Power 0

Sole Dispositive Power 0

Shared Dispositive Power 0

• Aggregate Amount Beneficially Owned by Each Reporting Person 0

1. Check if the Aggregate Amount in Row (9) Excludes Certain Shares Not Applicable
2. Percent of Class Represented by Amount in Row 9 0%
3. Type of Reporting Person OO (Trust)

21

CUSIP No. 950814103

Schedule 13G

• Names of Reporting Persons
  Justin Henry Snyder Exempt Trust U/T Randy Snyder 2005 Grantor Trust

• Check the Appropriate Box if a Member of a Group
• 1. o
  2. o

• SEC Use Only

• Citizenship or Place of Organization California

	5
Number of	6
Shares
Beneficially
Owned by
Each	7
Reporting
Person With
	8

Sole Voting Power 0

Shared Voting Power 0

Sole Dispositive Power 0

Shared Dispositive Power 0

• Aggregate Amount Beneficially Owned by Each Reporting Person 0

1. Check if the Aggregate Amount in Row (9) Excludes Certain Shares Not Applicable
2. Percent of Class Represented by Amount in Row 9 0%
3. Type of Reporting Person OO (Trust)

22

CUSIP No. 950814103

Schedule 13G

• Names of Reporting Persons
  Justin Henry Snyder Exempt Trust U/T Susan Snyder 2005 Grantor Trust

• Check the Appropriate Box if a Member of a Group
• 1. o
  2. o

• SEC Use Only

• Citizenship or Place of Organization California

	5
Number of	6
Shares
Beneficially
Owned by
Each	7
Reporting
Person With
	8

Sole Voting Power 0

Shared Voting Power 0

Sole Dispositive Power 0

Shared Dispositive Power 0

• Aggregate Amount Beneficially Owned by Each Reporting Person 0

1. Check if the Aggregate Amount in Row (9) Excludes Certain Shares Not Applicable
2. Percent of Class Represented by Amount in Row 9 0%
3. Type of Reporting Person OO (Trust)

23

CUSIP No. 950814103

Schedule 13G

• Names of Reporting Persons
  Randy Snyder 2009 Extended Family Trust

• Check the Appropriate Box if a Member of a Group
• 1. o
  2. o

• SEC Use Only

• Citizenship or Place of Organization California

	5
Number of	6
Shares
Beneficially
Owned by
Each	7
Reporting
Person With
	8

Sole Voting Power 0

Shared Voting Power 0

Sole Dispositive Power 0

Shared Dispositive Power 0

• Aggregate Amount Beneficially Owned by Each Reporting Person 0

1. Check if the Aggregate Amount in Row (9) Excludes Certain Shares Not Applicable
2. Percent of Class Represented by Amount in Row 9 0%
3. Type of Reporting Person OO (Trust)

24

CUSIP No. 950814103

Schedule 13G

• Names of Reporting Persons
  Susan Snyder 2009 Extended Family Trust

• Check the Appropriate Box if a Member of a Group
• 1. o
  2. o

• SEC Use Only

• Citizenship or Place of Organization California

	5
Number of	6
Shares
Beneficially
Owned by
Each	7
Reporting
Person With
	8

Sole Voting Power 0

Shared Voting Power 0

Sole Dispositive Power 0

Shared Dispositive Power 0

• Aggregate Amount Beneficially Owned by Each Reporting Person 0

1. Check if the Aggregate Amount in Row (9) Excludes Certain Shares Not Applicable
2. Percent of Class Represented by Amount in Row 9 0%
3. Type of Reporting Person OO (Trust)

25

CUSIP No. 950814103

Schedule 13G

• Names of Reporting Persons
  Todd Ian Snyder Exempt Trust U/T Randy Snyder 2005 Grantor Trust

• Check the Appropriate Box if a Member of a Group
• 1. o
  2. o

• SEC Use Only

• Citizenship or Place of Organization California

	5
Number of	6
Shares
Beneficially
Owned by
Each	7
Reporting
Person With
	8

Sole Voting Power 0

Shared Voting Power 0

Sole Dispositive Power 0

Shared Dispositive Power 0

• Aggregate Amount Beneficially Owned by Each Reporting Person 0

1. Check if the Aggregate Amount in Row (9) Excludes Certain Shares Not Applicable
2. Percent of Class Represented by Amount in Row 9 0%
3. Type of Reporting Person OO (Trust)

26

CUSIP No. 950814103

Schedule 13G

• Names of Reporting Persons
  Todd Ian Snyder Exempt Trust U/T Susan Snyder 2005 Grantor Trust

• Check the Appropriate Box if a Member of a Group
• 1. o
  2. o

• SEC Use Only

• Citizenship or Place of Organization California

	5
Number of	6
Shares
Beneficially
Owned by
Each	7
Reporting
Person With
	8

Sole Voting Power 0

Shared Voting Power 0

Sole Dispositive Power 0

Shared Dispositive Power 0

• Aggregate Amount Beneficially Owned by Each Reporting Person 0

1. Check if the Aggregate Amount in Row (9) Excludes Certain Shares Not Applicable
2. Percent of Class Represented by Amount in Row 9 0%
3. Type of Reporting Person OO (Trust)

27

CUSIP No. 950814103

Schedule 13G

• Names of Reporting Persons David L. Squier

• Check the Appropriate Box if a Member of a Group
• 1. o
  2. o

• SEC Use Only

• Citizenship or Place of Organization United States

	5
Number of	6
Shares
Beneficially
Owned by
Each	7
Reporting
Person With
	8

Sole Voting Power 0

Shared Voting Power 0

Sole Dispositive Power 0

Shared Dispositive Power 0

• Aggregate Amount Beneficially Owned by Each Reporting Person 0

1. Check if the Aggregate Amount in Row (9) Excludes Certain Shares Not Applicable
2. Percent of Class Represented by Amount in Row 9 0%
3. Type of Reporting Person
   IN

28

CUSIP No. 950814103

Schedule 13G

• Names of Reporting Persons Shirley Warner

• Check the Appropriate Box if a Member of a Group
• 1. o
  2. o

• SEC Use Only

• Citizenship or Place of Organization United States

	5
Number of	6
Shares
Beneficially
Owned by
Each	7
Reporting
Person With
	8

Sole Voting Power 0

Shared Voting Power 0

Sole Dispositive Power 0

Shared Dispositive Power 0

• Aggregate Amount Beneficially Owned by Each Reporting Person 0

1. Check if the Aggregate Amount in Row (9) Excludes Certain Shares Not Applicable
2. Percent of Class Represented by Amount in Row 9 0%
3. Type of Reporting Person
   IN

29

CUSIP No. 950814103

Schedule 13G

• Names of Reporting Persons Bruce Weinstein

• Check the Appropriate Box if a Member of a Group
• 1. o
  2. o

• SEC Use Only

• Citizenship or Place of Organization United States

	5
Number of	6
Shares
Beneficially
Owned by
Each	7
Reporting
Person With
	8

Sole Voting Power 0

Shared Voting Power 0

Sole Dispositive Power 0

Shared Dispositive Power 0

• Aggregate Amount Beneficially Owned by Each Reporting Person 0

1. Check if the Aggregate Amount in Row (9) Excludes Certain Shares Not Applicable
2. Percent of Class Represented by Amount in Row 9 0%
3. Type of Reporting Person
   IN

30

CUSIP No. 950814103

Schedule 13G

• Names of Reporting Persons Dana Wilkin

• Check the Appropriate Box if a Member of a Group
• 1. o
  2. o

• SEC Use Only

• Citizenship or Place of Organization United States

	5
Number of	6
Shares
Beneficially
Owned by
Each	7
Reporting
Person With
	8

Sole Voting Power 0

Shared Voting Power 0

Sole Dispositive Power 0

Shared Dispositive Power 0

• Aggregate Amount Beneficially Owned by Each Reporting Person 0

1. Check if the Aggregate Amount in Row (9) Excludes Certain Shares Not Applicable
2. Percent of Class Represented by Amount in Row 9 0%
3. Type of Reporting Person
   IN

31

CUSIP No. 950814103

Schedule 13G

Item 1.

1. Name of Issuer:
   Wesco Aircraft Holdings, Inc. (the "Issuer")
2. Address of Issuer's Principal Executive Offices: 24911 Avenue Stanford
   Valencia, CA 91355

Item 2.

1. Name of Person Filing:

Each of the following is hereinafter individually referred to as a "Carlyle Reporting Person" and collectively as the "Carlyle Reporting Persons." This statement is filed on behalf of:

Carlyle Group Management L.L.C.

The Carlyle Group Inc.

Carlyle Holdings I GP Inc.

Carlyle Holdings I GP Sub L.L.C.

Carlyle Holdings I L.P.

CG Subsidiary Holdings L.L.C.

TC Group, L.L.C.

TC Group IV Managing GP, L.L.C.

Falcon Aerospace Holdings, LLC

Each of the following is hereinafter individually referred to as a "Reporting Person" and collectively as the "Reporting Persons." This statement is also filed on behalf of:

Han Sun Cho

Victoria J. Conner

Gregory Dietz

Paul E. Fulchino

The Paul E Fulchino 2012 Family Trust

Sheryl Knights

Alex Murray

Robert D. Paulson

John Segovia

Randy J. Snyder

Joshua Jack Snyder Exempt Trust U/T Randy Snyder 2005 Grantor Trust

Joshua Jack Snyder Exempt Trust U/T Susan Snyder 2005 Grantor Trust

Justin Henry Snyder Exempt Trust U/T Randy Snyder 2005 Grantor Trust

Justin Henry Snyder Exempt Trust U/T Susan Snyder 2005 Grantor Trust

32

CUSIP No. 950814103

Schedule 13G

Randy Snyder 2009 Extended Family Trust

Susan Snyder 2009 Extended Family Trust

Todd Ian Snyder Exempt Trust U/T Randy Snyder 2005 Grantor Trust

Todd Ian Snyder Exempt Trust U/T Susan Snyder 2005 Grantor Trust

David L. Squier

Shirley Warner

Bruce Weinstein

Dana Wilkin

1. Address or Principal Business Office:

The business address of each of the Carlyle Reporting Persons is c/o The Carlyle Group, 1001 Pennsylvania Avenue, N.W., Suite 220 South, Washington, D.C. 20004-2505.

The address for each of the Reporting Persons is c/o Wesco Aircraft Holdings, Inc., 24911 Avenue Stanford, Valencia, CA 91355.

1. Citizenship of each Reporting Person is:

Each of the Carlyle Reporting Persons is organized in the state of Delaware.

Each of the Reporting Persons is a citizen of the United States of America, except the Joshua Jack Snyder Exempt Trust U/T Randy Snyder 2005 Grantor Trust, the Joshua Jack Snyder Exempt Trust U/T Susan Snyder 2005 Grantor Trust, the Justin Henry Snyder Exempt Trust U/T Randy Snyder 2005 Grantor Trust, the Justin Henry Snyder Exempt Trust U/T Susan Snyder 2005 Grantor Trust, the Randy Snyder 2009 Extended Family Trust, the Susan Snyder 2009 Extended Family Trust, the Todd Ian Snyder Exempt Trust U/T Randy Snyder 2005 Grantor Trust and the Todd Ian Snyder Exempt Trust U/T Susan Snyder 2005 Grantor Trust, which are trusts organized in the State of California, the Paul E Fulchino 2012 Family Trust, which is a trust organized in the State of Florida, and Alex Murray, who is a citizen of the United Kingdom.

1. Title of Class of Securities:
   Common stock, $0.001 par value per share ("Common Stock").
2. CUSIP Number: 950814103

Item 3.

Not applicable.

33

CUSIP No. 950814103

Schedule 13G

Item 4. Ownership (a-c)

As of the date hereof, the Carlyle Reporting Persons and the Reporting Persons do not beneficially own any shares of the Issuer's Common Stock.

Item 5. Ownership of Five Percent or Less of a Class

If this statement is being filed to report the fact that as of the date hereof the Carlyle Reporting Persons and the Reporting Persons have ceased to be the beneficial owner of more than five percent of the Issuer's Common Stock, check the following x.

Item 6. Ownership of More than Five Percent on Behalf of Another Person.

Not applicable.

Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company.

Not applicable.

Item 8. Identification and Classification of Members of the Group.

Not applicable.

Item 9. Notice of Dissolution of Group.

Not applicable.

34

CUSIP No. 950814103	Schedule 13G
Item 10.	Certification.
	Not applicable.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Date: January 13, 2020

CARLYLE GROUP MANAGEMENT L.L.C.

By:	/s/ Anne Frederick, attorney-in-fact
Name:	Curtis L. Buser
Title:	Chief Financial Officer
THE CARLYLE GROUP INC.
By:	/s/ Anne Frederick, attorney-in-fact
Name:	Curtis L. Buser
Title:	Chief Financial Officer
CARLYLE HOLDINGS I GP INC.
By:	/s/ Anne Frederick, attorney-in-fact
Name:	Curtis L. Buser
Title:	Chief Financial Officer
CARLYLE HOLDINGS I GP SUB L.L.C.
By:	Carlyle Holdings I GP Inc., its managing member
By:	/s/ Anne Frederick, attorney-in-fact
Name:	Curtis L. Buser
Title:	Chief Financial Officer
CARLYLE HOLDINGS I L.P.
By:	/s/ Anne Frederick, attorney-in-fact
Name:	Curtis L. Buser
Title:	Chief Financial Officer

35

CUSIP No. 950814103

Schedule 13G

CG SUBSIDIARY HOLDINGS L.L.C.

By:	Carlyle Holdings I L.P., its managing member
By:	/s/ Anne Frederick, attorney-in-fact
Name:	Curtis L. Buser
Title:	Chief Financial Officer
TC GROUP, L.L.C.
By:	CG Subsidiary Holdings L.L.C., its managing member
By:	Carlyle Holdings I L.P., its managing member
By:	/s/ Anne Frederick, attorney-in-fact
Name:	Curtis L. Buser
Title:	Chief Financial Officer
TC GROUP IV MANAGING GP, L.L.C.
By:	/s/ Jeremy W. Anderson
Name:	Jeremy W. Anderson
Title:	Authorized Person
FALCON AEROSPACE HOLDINGS, LLC
By:	TC Group IV Managing GP, L.L.C., its Managing Member
By:	/s/ Jeremy W. Anderson
Name:	Jeremy W. Anderson
Title:	Authorized Person
Han Sun Cho
by:	/s/ John G. Holland, attorney-in-fact
Name:	Han Sun Cho
Victoria J. Conner
by:	/s/ John G. Holland, attorney-in-fact
Name:	Victoria J. Conner

36

CUSIP No. 950814103

Schedule 13G

Gregory Dietz

by:	/s/ John G. Holland, attorney-in-fact
Name:	Gregory Dietz
Paul E. Fulchino
by:	/s/ John G. Holland, attorney-in-fact
Name:	Paul E. Fulchino
The Paul E Fulchino 2012 Family Trust
by:	/s/ John G. Holland, attorney-in-fact
Name:	The Paul E Fulchino 2012 Family Trust
Sheryl Knights
by:	/s/ John G. Holland, attorney-in-fact
Name:	Sheryl Knights
Alex Murray
by:	/s/ John G. Holland, attorney-in-fact
Name:	Alex Murray
Robert D. Paulson
by:	/s/ John G. Holland, attorney-in-fact
Name:	Robert D. Paulson
John Segovia
by:	/s/ John G. Holland, attorney-in-fact
Name:	John Segovia
Randy J. Snyder
by:	/s/ John G. Holland, attorney-in-fact
Name:	Randy J. Snyder

37

CUSIP No. 950814103

Schedule 13G

Joshua Jack Snyder Exempt Trust

U/T Randy Snyder 2005 Grantor Trust

by:	/s/ John G. Holland, attorney-in-fact
Name:	Joshua Jack Snyder Exempt Trust
	U/T Randy Snyder 2005 Grantor Trust

Joshua Jack Snyder Exempt Trust

U/T Susan Snyder 2005 Grantor Trust

by:	/s/ John G. Holland, attorney-in-fact
Name:	Joshua Jack Snyder Exempt Trust
	U/T Susan Snyder 2005 Grantor Trust

Justin Henry Snyder Exempt Trust

U/T Randy Snyder 2005 Grantor Trust

by:	/s/ John G. Holland, attorney-in-fact
Name:	Justin Henry Snyder Exempt Trust
	U/T Randy Snyder 2005 Grantor Trust

Justin Henry Snyder Exempt Trust

U/T Susan Snyder 2005 Grantor Trust

by:	/s/ John G. Holland, attorney-in-fact
Name:	Justin Henry Snyder Exempt Trust
	U/T Susan Snyder 2005 Grantor Trust
Randy Snyder 2009 Extended Family Trust
by:	/s/ John G. Holland, attorney-in-fact
Name:	Randy Snyder 2009 Extended Family Trust
Susan Snyder 2009 Extended Family Trust
by:	/s/ John G. Holland, attorney-in-fact
Name:	Susan Snyder 2009 Extended Family Trust

38

CUSIP No. 950814103

Schedule 13G

Todd Ian Snyder Exempt Trust

U/T Randy Snyder 2005 Grantor Trust

by:	/s/ John G. Holland, attorney-in-fact
Name:	Todd Ian Snyder Exempt Trust
	U/T Randy Snyder 2005 Grantor Trust

Todd Ian Snyder Exempt Trust

U/T Susan Snyder 2005 Grantor Trust

by:	/s/ John G. Holland, attorney-in-fact
Name:	Todd Ian Snyder Exempt Trust
	U/T Susan Snyder 2005 Grantor Trust
David L. Squier
by:	/s/ John G. Holland, attorney-in-fact
Name:	David L. Squier
Shirley Warner
by:	/s/ John G. Holland, attorney-in-fact
Name:	Shirley Warner
Bruce Weinstein
by:	/s/ John G. Holland, attorney-in-fact
Name:	Bruce Weinstein
Dana Wilkin
by:	/s/ John G. Holland, attorney-in-fact
Name:	Dana Wilkin

39

CUSIP No. 950814103	Schedule 13G
			LIST OF EXHIBITS
Exhibit No.			Description

1. Power of Attorney of the Reporting Persons (incorporated by reference to Exhibit 24.2 to the Schedule 13G filed by the Reporting Persons on February 14, 2012).
2. Power of Attorney of the Paul E Fulchino 2012 Family Trust (incorporated by reference to Exhibit 24.3 to the Schedule 13G filed by the Reporting Persons on February 13, 2018).
3. Power of Attorney of the Carlyle Reporting Persons (incorporated by reference to Exhibit 24.4 to the Schedule 13G filed by the Reporting Persons on February 13, 2019).

99	Joint Filing Agreement.

40

Exhibit 99

JOINT FILING AGREEMENT

In accordance with Rule 13d-1(k)(1) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree that they are jointly filing this statement on Schedule 13G. Each of them is responsible for the timely filing of such statement and any amendments thereto, and for the completeness and accuracy of the information concerning such person contained therein; but none of them is responsible for the completeness or accuracy of the information concerning the other persons making the filing, unless such person knows or has reason to believe that such information is inaccurate.

IN WITNESS WHEREOF, the undersigned hereby execute this Joint Filing Agreement as of the 10th day of January, 2020.

CARLYLE GROUP MANAGEMENT L.L.C.

By:	/s/ Anne Frederick, attorney-in-fact
Name:	Curtis L. Buser
Title:	Chief Financial Officer
THE CARLYLE GROUP INC.
By:	/s/ Anne Frederick, attorney-in-fact
Name:	Curtis L. Buser
Title:	Chief Financial Officer
CARLYLE HOLDINGS I GP INC.
By:	/s/ Anne Frederick, attorney-in-fact
Name:	Curtis L. Buser
Title:	Chief Financial Officer
CARLYLE HOLDINGS I GP SUB L.L.C.
By:	Carlyle Holdings I GP Inc., its managing member
By:	/s/ Anne Frederick, attorney-in-fact
Name:	Curtis L. Buser
Title:	Chief Financial Officer

CARLYLE HOLDINGS I L.P.

By:	/s/ Anne Frederick, attorney-in-fact
Name:	Curtis L. Buser
Title:	Chief Financial Officer
CG SUBSIDIARY HOLDINGS L.L.C.
By:	Carlyle Holdings I L.P., its managing member
By:	/s/ Anne Frederick, attorney-in-fact
Name:	Curtis L. Buser
Title:	Chief Financial Officer
TC GROUP, L.L.C.
By:	CG Subsidiary Holdings L.L.C., its managing member
By:	Carlyle Holdings I L.P., its managing member
By:	/s/ Anne Frederick, attorney-in-fact
Name:	Curtis L. Buser
Title:	Chief Financial Officer
TC GROUP IV MANAGING GP, L.L.C.
By:	/s/ Jeremy W. Anderson
Name:	Jeremy W. Anderson
Title:	Authorized Person
FALCON AEROSPACE HOLDINGS, LLC
By:	TC Group IV Managing GP, L.L.C., its Managing Member
By:	/s/ Jeremy W. Anderson
Name:	Jeremy W. Anderson
Title:	Authorized Person
Han Sun Cho
by:	/s/ John G. Holland, attorney-in-fact
Name:	Han Sun Cho

Victoria J. Conner

by:	/s/ John G. Holland, attorney-in-fact
Name:	Victoria J. Conner
Gregory Dietz
by:	/s/ John G. Holland, attorney-in-fact
Name:	Gregory Dietz
Paul E. Fulchino
by:	/s/ John G. Holland, attorney-in-fact
Name:	Paul E. Fulchino
The Paul E Fulchino 2012 Family Trust
by:	/s/ John G. Holland, attorney-in-fact
Name:	The Paul E Fulchino 2012 Family Trust
Sheryl Knights
by:	/s/ John G. Holland, attorney-in-fact
Name:	Sheryl Knights
Alex Murray
by:	/s/ John G. Holland, attorney-in-fact
Name:	Alex Murray
Robert D. Paulson
by:	/s/ John G. Holland, attorney-in-fact
Name:	Robert D. Paulson
John Segovia
by:	/s/ John G. Holland, attorney-in-fact
Name:	John Segovia

Randy J. Snyder

by:	/s/ John G. Holland, attorney-in-fact
Name:	Randy J. Snyder

Joshua Jack Snyder Exempt Trust

U/T Randy Snyder 2005 Grantor Trust

by:	/s/ John G. Holland, attorney-in-fact
Name:	Joshua Jack Snyder Exempt Trust
	U/T Randy Snyder 2005 Grantor Trust

Joshua Jack Snyder Exempt Trust

U/T Susan Snyder 2005 Grantor Trust

by:	/s/ John G. Holland, attorney-in-fact
Name:	Joshua Jack Snyder Exempt Trust
	U/T Susan Snyder 2005 Grantor Trust

Justin Henry Snyder Exempt Trust

U/T Randy Snyder 2005 Grantor Trust

by:	/s/ John G. Holland, attorney-in-fact
Name:	Justin Henry Snyder Exempt Trust
	U/T Randy Snyder 2005 Grantor Trust

Justin Henry Snyder Exempt Trust

U/T Susan Snyder 2005 Grantor Trust

by:	/s/ John G. Holland, attorney-in-fact
Name:	Justin Henry Snyder Exempt Trust
	U/T Susan Snyder 2005 Grantor Trust
Randy Snyder 2009 Extended Family Trust
by:	/s/ John G. Holland, attorney-in-fact
Name:	Randy Snyder 2009 Extended Family Trust

Susan Snyder 2009 Extended Family Trust

by:	/s/ John G. Holland, attorney-in-fact
Name:	Susan Snyder 2009 Extended Family Trust

Todd Ian Snyder Exempt Trust

U/T Randy Snyder 2005 Grantor Trust

by:	/s/ John G. Holland, attorney-in-fact
Name:	Todd Ian Snyder Exempt Trust
	U/T Randy Snyder 2005 Grantor Trust

Todd Ian Snyder Exempt Trust

U/T Susan Snyder 2005 Grantor Trust

by:	/s/ John G. Holland, attorney-in-fact
Name:	Todd Ian Snyder Exempt Trust
	U/T Susan Snyder 2005 Grantor Trust
David L. Squier
by:	/s/ John G. Holland, attorney-in-fact
Name:	David L. Squier
Shirley Warner
by:	/s/ John G. Holland, attorney-in-fact
Name:	Shirley Warner
Bruce Weinstein
by:	/s/ John G. Holland, attorney-in-fact
Name:	Bruce Weinstein
Dana Wilkin
by:	/s/ John G. Holland, attorney-in-fact
Name:	Dana Wilkin