# AC 43.13-1B CHG 1 — Acceptable Methods, Techniques, and Practices: Aircraft Inspection and Repair
# Purpose of the AC (cover letter)

Source: FAA Advisory Circular 43.13-1B CHG 1. Page markers like [AC 43.13-1B p. 7-9] give the AC page; paragraph numbers (e.g. 7-40.) appear in the text. Tables are reproduced with | between columns.

[AC 43.13-1B p. pdf1]

U.S. Department of Transportation Advisory Federal Aviation

Administration | Circular
Subject: Acceptable Methods, Techniques, | Date: 9/8/98 | AC No: 4 .13-1B
and Practices—Aircraft Inspection | Initiated by: AFS-300 | Change: 1
and Repair

1. | PURPOSE OF THIS ADVISORY CIRCULAR (AC).

a. This AC contains methods, techniques, and practices acceptable to the Federal Aviation Administration (FAA) for performing inspections and minor repairs of nonpressurized areas of civil aircraft unless the repair at issue is recommended against in the applicable manufacturer’s maintenance or repair instructions. The repair data described in this AC may be used as a basis for FAA-approved data for major repairs. The repair data may be used as FAA-approved data for repairs of nonpressurized areas of civil aircraft provided the AC chapter, page, and paragraph are listed in Block 8 of FAA Form 337, Major Repair and Alteration (Airframe, Powerplant, Propeller, or Appliance) and the data are:

(1) Appropriate to the product being repaired;

(2) Directly applicable to the repair being made; and

(3) Not contrary to manufacturer’s data.

b. The contents of this document do not have the force and effect of law and are not meant to bind the public in any way, and the document is intended only to provide information to the public regarding existing requirements under the law or agency policies.

2. AUDIENCE. This AC is intended for use by persons performing maintenance, alteration, or preventive maintenance on aircraft, engines, propellers, or appliances in accordance with Title 14 of the Code of Federal Regulations (14 CFR) part 43.

3. WHERE YOU CAN FIND THIS AC. You can find this AC on the FAA’s website at https://www.faa.gov/regulations_policies/advisory_circulars and the Dynamic Regulatory System (DRS) at https://drs.faa.gov.

4. WHAT THIS AC CANCELS. AC 43.13-1A, Acceptable Methods, Techniques, and Practices—Aircraft Inspection and Repair, dated December 22, 1976, is canceled.

5. REFERENCE. Title 14 CFR part 43, § 43.13(a) states that each person performing maintenance, alteration, or preventive maintenance on an aircraft, engine, propeller, or appliance shall use the methods, techniques, and practices prescribed in the current manufacturer’s maintenance manual or instructions for continued airworthiness (ICA) prepared by its manufacturer, or other methods, techniques, or practices acceptable to the Administrator, except

[AC 43.13-1B p. ii]

as noted in § 43.16. FAA inspectors are prepared to answer questions that may arise in this regard. Persons engaged in the inspection and repair of civil aircraft should be familiar with 14 CFR Part 43, Maintenance, Preventive Maintenance, Rebuilding, and Alteration, and Part 65, Certification: Airmen Other Than Flight Crewmembers, subparts A, D, and E, and the applicable airworthiness requirements under which the aircraft was type certificated.

6. ACKNOWLEDGMENTS. The FAA would like to thank the following persons and organization for their assistance in producing AC 43.13-1B: Richard Finch, Richard Fischer, Michael Grimes, Ray Stits, William A. Watkins, and the SAE, Aerospace Electronics and Electrical Systems Division. Acknowledgment is also extended to all in the aviation community who commented on the document.

7. AC FEEDBACK FORM. For your convenience, the AC Feedback Form is the last page of this AC. Note any deficiencies found, clarifications needed, or suggested improvements regarding the contents of this AC on the Feedback Form.

Acting Deputy Director, Flight Standards Service