Commonwealth legislation

AD/ECUREUIL/3 - Vibration Absorber Mounting Flange - Inspection

In ForceCTH

Jurisdiction

Commonwealth

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legislative instrument

Plain English Summary

2/10 complexity

Operators of Eurocopter AS350 (Écureuil) helicopters without modification AMS 350.07.6063 must visually inspect the vibration absorber mounting flange per Aerospatiale AS 350 SB 05.03, starting within 25 hours TIS after 4 July 1979 and every 25 hours TIS thereafter.

The AD responds to discovered cracks at the flange blending radius. Operators bear inspection, repair and downtime costs, or may elect to fit AMS 350.07.6063 to remove the recurring inspection burden.

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AD/ECUREUIL/3 - Vibration Absorber Mounting Flange - Inspection

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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 Eurocopter AS 350 (Ecureuil) Series Helicopters

AD/ECUREUIL/3 Vibration Absorber Mounting Flange - Inspection

Applicability: All models not incorporating modification AMS 350.07.6063. Document: Aerospatiale AS 350 SB 05.03.

8/79

Compliance: Within 25 hours time in service after 4 July 1979 and thereafter at intervals not exceeding 25 hours time in service.

Background: Several cracks have been found at the blending radius of the vibration absorber mounting flange installed on the main rotor shaft.

Source text

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