Form 337 Major Repair & Alteration

Form Approved
OMB No. 2120-0020
2/28/2011

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

Manufacturer

C. Certificate No.

Certificated Repair Station
Certificated Maintenance Organization

Country

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

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)

Date

Paperwork Reduction Act Statement: The reason for collecting this information is to track major maintenance
performed on aircraft. The collected information is used as part of the aircraft's historical file. The public reporting burden
for this collection of information is estimated to average 30 minutes per response. Responses are mandated by 14 CFR
Part 43. Collected information becomes part of the public record and no confidentiality is required. An agency may not
conduct or sponsor, and a person is not required to respond to a collection of information unless it displays a currently
valid OMB control number. The OMB control number associated with this collection is 2120-0020. Comments
concerning the accuracy of this burden and suggestions for reducing the burden should be directed to the FAA at: 800
Independence Ave. SW Washington, DC 20591, Attn: Information Collection Clearance Officer, AES-200.