AD 79-05-04

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AD Number:
79-05-04
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
BOEING Model 747-200 Series Airplanes
Subject:
Auxiliary Fuel Tanks
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
03/15/1979
Make:
The Boeing Company
Model:
747-200B Series | 747-200C Series | 747-200F Series
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Superseded AD: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Superseded By: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: 79-05-04
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-3431

AD NUMBER:   79-05-04

SUBJECT HEADING:   BOEING Model 747-200 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective March 15, 1979.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
79-05-04 BOEING: Amendment 39-3431. Applies to Boeing 747-200 series airplanes, Serial Numbers 20237, 20238, 20239, 20556, 20557, 21054, 21140, 21189, 21190, and 21237, equipped with auxiliary fuel tanks Number 1 and Number 4.
Unless modified in accordance with Boeing Service Bulletin 747-28-2067 dated November 11, 1977, or Boeing Alert Service Bulletin 747-28-A2091, Revision 1, dated February 5, 1979, or later FAA approved revisions, accomplish the following:
A. Discontinue immediately the use of auxiliary fuel tanks Number 1 and Number 4;
B. Drain fuel from those tanks; and
C. Open and collar the associated tank pump circuit breakers.
Equivalent inspections and repairs may be used when approved by the Chief, Engineering and Manufacturing Branch, FAA Northwest Region, 9010 East Marginal Way South, Seattle, Washington 98108. Compliance with the revised alert bulletin requirements is considered satisfactory terminating action for this Airworthiness Directive.
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 March 15, 1979, and was effective earlier for all recipients of the telegram dated December 22, 1978.

FOOTER: