Commonwealth legislation

AD/HS 125/72 - Engine Mounting Cowling Damage

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legislative instrument

Plain English Summary

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This AD requires owners/operators of BAe 125s with Garrett TFE 731-3R-1H engines to inspect and, if needed, repair the forward engine mounting per British Aerospace Service Bulletin 71-38 because reported cowling fouling has caused damage that can reduce mounting fatigue life.

Affected operators must arrange and fund the inspection/repairs by the AD deadline (completed prior to 30 November 1985); aircraft with thrust reversers may face additional limits or follow-up under AD/HS 125/45.

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AD/HS 125/72 - Engine Mounting Cowling Damage

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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source British Aerospace BAe 125 Series Aeroplanes

AD/HS 125/72 Engine Mounting Cowling Damage 10/85

Applicability: All models fitted with Garrett TFE 731-3R-1H engines.

Requirement: Inspect and repair in accordance with British Aerospace 125 S.B. 71-38.

Note: If engine mounts are found to be damaged on aircraft fitted with thrust reversers, their fatigue life is limited. Refer AD/HS 125/45 at latest amendment.

Compliance: Prior to 30 November 1985.

Background: Several cases of damage to the forward engine mounting caused by fouling with the cowling have been reported. This damage could result in reduction of fatigue life.

Source text

Sourced from the Federal Register of Legislation (legislation.gov.au), CC BY 4.0.