Commonwealth legislation

AD/AS 355/25 - MGB Suspension Bars

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

This AD requires owners/operators/pilots of Eurocopter AS355E/F/F1/F2 helicopters to inspect main gearbox suspension bar end bearings per Aerospatiale SB NO 05.16: once within 25 hours TIS after 3 April 1987 and at every daily inspection thereafter. Pilots may perform and certify the daily check but must record the AD reference on the Maintenance Release and keep a copy of the service bulletin on board. Operators bear inspection and any follow‑up costs.

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AD/AS 355/25 - MGB Suspension Bars

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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Eurocopter AS 355 (Twin Ecureuil) Series Helicopters

AD/AS 355/25 MGB Suspension Bars 6/87 DM

Applicability: All models AS 355E, F, F1 and F2.

Requirement: Action in accordance with Aerospatiale SB NO 05.16.

Note: Bureau Veritas AD T87-038-032(B) refers.

Compliance: Within 25 hours time in service after 3 April 1987 and thereafter at each daily inspection.

Note: The daily inspection may be accomplished by the pilot-in-command, in which case the precise AD reference shall be entered in a certification made on the Maintenance Release coincident with that for the daily inspection. A copy of the Reference Document is to be carried in the aircraft.

Background: The manufacturer has had reports including Australian MDR’s of the MGB suspension bar end bearings being displaced in the tube ends.

Source text

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

1 AD/AS 355/25 - MGB Suspension Bars