AD 89-17-06

89-17-06 BRITISH AEROSPACE (BAE), PLC: Amendment 39-6294. Applicability: Model BAe/DH/BH/HS 125 series airplanes equipped with Garrett TFE731 engines, certificated in any category.

Compliance: Required as indicated, unless previously accomplished.

To prevent an electrical fire caused by grounding of certain electrical contractors, accomplish the following:

A. Within 120 days after the effective date of this AD, inspect and modify Hartman electrical contractor components, in accordance with paragraph 2.A. of British Aerospace Service Bulletin 24-268-3223A&B, Revision 2, dated February 28, 1989.

B. After the effective date of this AD, Hartman contractors which have Part Numbers A848MAS, A848KHS, or A848KSS shall not be installed on any airplane unless modified in accordance with paragraph 2.B. of British Aerospace Service Bulletin 24-268-3223A&B, Revision 2, dated February 28, 1989.

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.

NOTE: The request should be forwarded through an FAA Principal Maintenance Inspector (PMI), who will either concur or comment and then send it to the Manager, Standardization Branch, ANM-113.

D. 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 British Aerospace, PLC, Librarian for Service Bulletins, P.O. Box 17414, Dulles International Airport, Washington, D.C. 20041. These documents may be examined at the FAA, Northwest Mountain Region, 17900 Pacific Highway South, Seattle, Washington, or at the Seattle Aircraft Certification Office, 9010 East Marginal Way South, Seattle, Washington.

This amendment (39-6294, AD 89-17-06) becomes effective on September 15, 1989.