Commonwealth legislation

AD/A109/9 - Engine Mount Installation

In ForceCTH

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Commonwealth

Collection

legislative instrument

Plain English Summary

2/10 complexity

Requires specified Agusta A109A and A109AII helicopters (all up to S/N 7361 except S/N 7359) to have an engine‑mount installation carried out per Bollettino Tecnico 109‑61 Part I & II to address oil‑scavenge line chafing and corrosion. Operators and approved maintenance organisations must complete the work within 100 hours’ time‑in‑service after 4 June 1987 or at the next scheduled inspection for issuing a Maintenance Release; operators bear the direct compliance cost and CASA enforces the directive.

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AD/A109/9 - Engine Mount Installation

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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 Agusta A109 Series Helicopters

AD/A109/9 Engine Mount Installation 6/87

Applicability: All models A109A and A109AII up to and including S/N 7361 except S/N 7359. Requirement: Action in accordance with Bollettino Tecnico 109-61 Part I and Part II.

Compliance: Within 100 hours’ time in service after 4 June 1987 or at the next scheduled inspection for Maintenance Release issue after 4 June 1987, whichever is later.

Note: RAI AD 87-43/109-42 refers.

Background: Chafing of an oil scavenge line against a mount leg has initiated corrosion which has in one case penetrated through the tubing.

Source text

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