AD 87-24-08

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AD Number:
87-24-08
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; BOEING Model 757 Series Airplanes
Subject:
Hydraulic System
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
12/29/1987
Make:
The Boeing Company
Model:
757-200 Series | 757-200CB Series | 757-200PF Series | 757-300 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Superseded AD: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Superseded By: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: 87-24-08
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-5775

AD NUMBER:   87-24-08

SUBJECT HEADING:   Airworthiness Directives; BOEING Model 757 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective December 29, 1987.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
87-24-08 BOEING: Amendment 39-5775. Applies to Model 757 series airplanes, line position 0002 through 0138, certificated in any category. Compliance required within the next one year after the effective date of this AD, unless previously accomplished.

To prevent shutdown of the power transfer unit and inability to extend the landing gear, accomplish the following:

A. Modify the hydraulic system in accordance with Boeing Alert Service Bulletin 757-29A0035, Revision 1, dated September 10, 1987, or later FAA-approved revision.

B. An alternate means of compliance or adjustment of the compliance time, which provides an acceptable level of safety, and which has the concurrence of an FAA Principal Maintenance Inspector, 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 in order to comply with the requirements of this AD.

All persons affected by this directive who have not already received the appropriate service documents from the manufacturer may obtain copies upon request to the Boeing Commercial Airplane Company, P.O. Box 3707, Seattle, Washington 98124-2207. These documents 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 December 29, 1987.

FOOTER: