# AD 86-02-03: Self-Locking Nuts

- Type: Airworthiness directive
- Status: Current
- Products: Boeing 747-300 Series
- Effective: January 27, 1986
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Amendment: 39-5213
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C350442CFFEC9483862568AA00660BE9.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/86-02-03

## The airworthiness directive

86-02-03 BOEING: Amendment 39-5213. Applies to Boeing Model 747-300 series airplanes, as listed in Boeing Alert Service Bulletin 747-52A2198, certificated in any category. Compliance is required within 30 days after the effective date of this amendment. To ensure proper automatic slide deployment and door opening, accomplish the following, unless already accomplished:

A. Inspect the upper deck left and right door to verify the installation of acceptable self-locking nuts and replace defective or missing hardware, if necessary, in accordance with Boeing Alert Service Bulletin 747-52A2198 dated December 13, 1985, or later FAA-approved revisions.

B. Alternate means of compliance which provide an acceptable level of safety may be used when approved by the Manager, Seattle Aircraft Certification Office, FAA, Northwest Mountain Region.

C. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base for the accomplishment ofinspections and/or modifications required by this AD.

All persons affected by this AD who have not already received copies of the service bulletin cited herein may obtain copies upon request from the Boeing Commercial Airplane Company, P.O. Box 3707, Seattle, Washington 98124. This document may be examined at the FAA, Northwest Mountain Region, 17900 Pacific Highway South, Seattle, Washington, or the Seattle Aircraft Certification Office, 9010 East Marginal Way South, Seattle, Washington.

This amendment becomes effective January 27, 1986.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A20WE](https://openairdocs.org/tcds/A20WE): The Boeing Company; names 1 of 14 models: 747-300 Series

## Registered aircraft it may apply to (OpenAirDocs)

No registered aircraft matched the models it names.

Its text cites no advisory circulars or STCs.

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