AD 87-07-07

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AD Number:
87-07-07
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; BRITISH AEROSPACE Model BAC 1- 11 200 and 400 Series Airplanes
Subject:
Keel Beam Diaphragm Assembly
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
05/01/1987
Make:
Airbus SAS
Model:
BAC 1-11 200 Series | BAC 1-11 400 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Superseded AD: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Superseded By: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: 87-07-07
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-5589

AD NUMBER:   87-07-07

SUBJECT HEADING:   Airworthiness Directives; BRITISH AEROSPACE Model BAC 1- 11 200 and 400 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective May 1, 1987.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:   87-07-07 BRITISH AEROSPACE: Amendment 39-5589. Applies to all Model BAC 1- 11 200 and 400 series airplanes, certificated in any category. Compliance is required prior to the accumulation of 12,000 landings, or within the next 1,500 landings after the effective date of this AD, whichever occurs later.

To prevent failure of the keel structure to carry design loads due to structural crack propagation in the keel beam lateral diaphragm, accomplish the following, unless previously accomplished:

A. Inspect, and repair or replace, as necessary, the keel beam lateral diaphragm assembly in accordance with BAC 1-11 Alert Service Bulletin 53-A-PM5918, dated May 6, 1986.

B. Repeat the requirements of paragraph A., above, at intervals not to exceed 3,600 landings.

C. An alternate means of compliance or adjustment of the compliance time, which provides an acceptable level of safety, may be used when approved by the manager, Standardization Branch, ANM-113, FAA, Northwest Mountain Region.

D. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base for the accomplishment of the requirements of this AD.

All persons affected by this directive who have not already received the appropriate service document from the manufacturer may obtain copies upon request to British Aerospace, Inc., Librarian, P.O. Box 17414, Dulles International Airport, Washington, D.C. 20041. 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 May 1, 1987.

FOOTER: