Form 337 Major Repair and Alteration

Paperwork Reduction Act Statement: A federal agency may not conduct or sponsor, and a person is not required to
respond to, nor shall a person be subject to a penalty for failure to comply with a collection of information subject to the
requirements of the Paperwork Reduction Act unless that collection of information displays a currently valid OMB Control
Number. The OMB Control Number for this information collection is 2120-0020. Public reporting for this collection of
information is estimated to be approximately 30 minutes per response, including the time for reviewing instructions,
searching existing data sources, gathering and maintaining the data needed, completing and reviewing the collection of
information. All responses to this collection of information are mandatory under CFR 14 Part 43. Send comments
regarding this burden estimate or any other aspect of this collection of information, including suggestions for reducing this
burden to: Information Collection Clearance Officer, Federal Aviation Administration, 10101 Hillwood Parkway, Fort Worth,
TX 76177-1524

OMB No. 2120-0020
Exp: 10/31/2019

MAJOR REPAIR AND ALTERATION
(Airframe, Powerplant, Propeller, or Appliance)

US Department
of Transportation
Federal Aviation
Administration

Electronic Tracking Number

For FAA Use Only

INSTRUCTIONS: Print or type all entries. See Title 14 CFR §43.9, Part 43 Appendix B, and AC 43.9-1 (or subsequent revision thereof) for
instructions and disposition of this form. This report is required by law (49 U.S.C. §44701). Failure to report can result in a civil penalty for each
such violation. (49 U.S.C. §46301(a))

1. Aircraft

Nationality and Registration Mark

Serial No.

Make

Model

Name (As shown on registration certificate)

Address (As shown on registration certificate)

Series

Address

2. Owner

City

State

Zip

Country

3. For FAA Use Only

5. Unit Identification

4. Type
Repair

Alteration

Unit

Make

Model

Serial No.

(As described in Item 1 above)

AIRFRAME
POWERPLANT
PROPELLER
Type

APPLIANCE

Manufacturer

6. Conformity Statement
B. Kind of Agency

A. Agency's Name and Address
Name

U. S. Certificated Mechanic

Address

Foreign Certificated Mechanic

City

State

Zip

Country

Manufacturer

C. Certificate No.

Certificated Repair Station
Certificated Maintenance Organization

D. I certify that the repair and/or alteration made to the unit(s) identified in item 5 above and described on the reverse or attachments hereto
have been made in accordance with the requirements of Part 43 of the U.S. Federal Aviation Regulations and that the information
furnished herein is true and correct to the best of my knowledge.
Extended range fuel
per 14 CFR Part 43
App. B

Signature/Date of Authorized Individual

7. Approval for Return to Service
Pursuant to the authority given persons specified below, the unit identified in item 5 was inspected in the manner prescribed by the
Administrator of the Federal Aviation Administration and is
Approved
Rejected

BY

FAA Flt. Standards
Inspector

Manufacturer

Maintenance Organization

FAA Designee

Repair Station

Inspection Authorization

Certificate or
Designation No.

FAA Form 337 (10/06)

Signature/Date of Authorized Individual

Page 1

Persons Approved by Canadian
Department of Transport

Other (Specify)

NOTICE
Weight and balance or operating limitation changes shall be entered in the appropriate aircraft record. An alteration must be
compatible with all previous alterations to assure continued conformity with the applicable airworthiness requirements.

8. Description of Work Accomplished
(If more space is required, attach additional sheets.

Identify with aircraft nationality and registration mark and date work completed.)

Nationality and Registration Mark

Additional Sheets Are Attached

FAA Form 337 (10/06)

Page 2

Date