AD/HS 125/97 Amdt 1 - Auxiliary Bracket Rear Engine Mount
1AD/HS 125/97 Amdt 1 - Auxiliary Bracket Rear Engine Mount
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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
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British Aerospace BAe 125 Series Aeroplanes
AD/HS 125/97
Amdt 1
Auxiliary Bracket Rear Engine Mount 7/89
Applicability: All models fitted with Garrett TFE 731-3 engines. Requirement: 1. Action in accordance with BAe SB 72-1-2844A Rev 2.
- Retire from service auxiliary mounting bracket engine attachment bolt P/N 3073361-1.
Note: BAe 125 SB 72-4 refers.
Compliance: 1. Prior to 28 February 1989.
- Prior to accumulating 750 hours component time in service or within 50 hours component time in service after 13 July 1989, which ever is later.
Background: Weld failures subsequent to inspection in accordance with Garrett SBs TFE 731-72- 3159 and TFE 731-72-3309 have occurred without any report of contributing incident and/or any indication that a failure has occurred. The engine manufacturer has indicated that the failure mechanism appears to be one that has not previously been encountered.
Garrett have now imposed a retirement life on the affected bolt.