AD 81-15-06

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AD Number:
81-15-06
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
BOEING Model 747 Series Airplanes
Subject:
Crew Overhead Hatch Assembly
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
07/28/1981
Make:
The Boeing Company
Model:
747-100 Series | 747-100B Series | 747-100B SUD Series | 747-200B Series | 747-200C Series | 747-200...Show more
Product Type:
Aircraft
Product Subtype:
Large Airplane
Affected AD:
Superseded AD:
Affected By:
Superseded By:
Service/Office:
Office of Primary Responsibility:
CFR Part Reference:
Part 39
Comments:
AIRWORTHINESS DIRECTIVES FINAL RULES: 81-15-06
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-4165

AD NUMBER:   81-15-06

SUBJECT HEADING:   BOEING Model 747 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective July 28, 1981.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
81-15-06 BOEING: Amendment 39-4165. Applies to all Model 747 series airplanes, certificated in all categories, listed in Boeing Alert Service Bulletin No. 747-52A2180 Revision 1, or later FAA approved revision.

Compliance is required as indicated unless already accomplished.

To prevent jamming of the crew compartment overhead hatch, accomplish the following:

A. Within 90 days of the effective date of this AD, magnetic particle inspect Rack Pin Assemblies P/N's H759-47, -49, -51, -93 used on the crew compartment overhead hatch assemblies in accordance with Boeing Alert Service Bulletin No. 747-52A2180, Revision 1, or later FAA approved revisions.

B. Unless previously inspected, any Rack pin assemblies, P/N's H759-47, -49, -51, -93, installed after the effective date of this AD must be magnetic particle inspected prior to installation in accordance with Boeing Alert Service Bulletin No. 747-52A2180, Revision 1, or later FAA approved revisions.

C. Rack pin assemblies found to be crack free may be suitably identified as directed by Boeing Alert Service Bulletin No. 747-52A2180 Revision 1, or later FAA approved revisions and returned to service.

D. Rack pin assemblies found to be cracked are to be discarded.

E. Alternate means of compliance or other actions which provide an equivalent level of safety may be used when approved by the Chief, Seattle Area Aircraft Certification Office, FAA Northwest Region.

F. Aircraft may be ferried to a maintenance base for repair in accordance with FAR 21.197 and FAR 21.199.
The manufacturer's specifications and procedures identified and described in this directive are incorporated herein and made a part hereof pursuant to 5 U.S.C. 552(a)(1).

All persons affected by this directive who have not already received these documents from the manufacturer, may obtain copies upon request to Boeing Commercial Airplane Company, P.O. Box 3707, Seattle, Washington 98124. These documents may also be examined at FAA Northwest Region, 9010 East Marginal Way South, Seattle, Washington 98108.

This amendment becomes effective July 28, 1981.

FOOTER: