AD 89-16-04

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AD Number:
89-16-04
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; British Aerospace Jetstream Model 3101 Airplanes
Subject:
Autopilot elevator trim cable
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
08/24/1989
Make:
British Aerospace Regional Aircraft
Model:
Jetstream Series 3101
Product Type:
Aircraft
Product Subtype:
Small/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Superseded AD: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Superseded By: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: 89-16-04
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-6268

AD NUMBER:   89-16-04

SUBJECT HEADING:   Airworthiness Directives; British Aerospace Jetstream Model 3101 Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective August 24, 1989.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:   89-16-04 BRITISH AEROSPACE (BAe) PLC: Amendment 39-6268.

Applicability: Jetstream Model 3101 (all serial numbers) airplanes equipped with Sperry SPZ-200B or SPZ-500 autopilot installations.

Compliance: Required as indicated after the effective date of this AD, unless already accomplished.

To prevent the possible loss of elevator trim control, accomplish the following:

(a) For all airplanes on which the autopilot elevator trim servo cable has accumulated 900 or more hours time-in-service (TIS) on the effective date of this AD, within the next 100 hours TIS and thereafter at intervals not to exceed 1,000 hours TIS, replace the elevator trim servo cable, ET1, BAe Part Number 137187E472, in accordance with BAe Mandatory Alert Service Bulletin Jetstream 22-A-JA861023, Rev 1, dated January 6, 1989.

(b) For all airplanes on which the autopilot elevator trim servo cable has accumulated less than 900 hours TIS on the effective date of this AD, at or before reaching 1,000 hours TIS and thereafter at intervals not exceeding 1,000 hours TIS, replace the autopilot elevator trim servo cable, ET1, BAe Part Number 137187E472, in accordance with BAe Mandatory Alert Service Bulletin Jetstream 22-A-JA861023, Rev 1, dated January 6, 1989.

(c) Airplanes may be flown in accordance with FAR 21.197 to a location where this AD may be accomplished.

(d) An equivalent means of compliance with this AD may be used if approved by the Manager, Aircraft Certification Office, AEU-100, Europe, Africa, and Middle East Office, FAA, c/o American Embassy, B-1000 Brussels, Belgium.

All persons affected by this directive may obtain copies of the documents referred to herein upon request to British Aerospace PLC, Manager, Product Support, Civil Aircraft Division, Prestwick Airport, Ayrshire, KA9 2RW, Scotland; or British Aerospace, Inc., Librarian, Box 17414, Dulles International Airport, Washington, D.C. 20041; or may examine these documents at the FAA, Office of the Assistant Chief Counsel, Room 1558, 601 East 12th Street, Kansas City, Missouri 64106.

This AD supersedes AD 87-07-02, Amendment 39-5579, which became effective on April 17, 1987.

This amendment (39-6268, AD 89-16-04) becomes effective on August 24, 1989.

FOOTER: