Commonwealth legislation

AD/DHC-3/7 - Engine Breather Drain Box

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Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

This airworthiness directive mandates immediate compliance by owners/operators of De Havilland Canada DHC‑3 (Otter) aircraft, serial numbers 1–73, to obtain and implement De Havilland Canada Emergency Bulletin "O" No. 5.

Costs, technical steps and timing fall to the operators (who must prioritise and may incur downtime), and the AD defers the specific corrective method to the manufacturer’s bulletin; it also notes a related Canadian AD.

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Current sections

Direct links to the current provisions in AD/DHC-3/7 - Engine Breather Drain Box.

AD/DHC-3/7 - Engine Breather Drain Box

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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 DHC-3 (Otter) Series Aeroplanes

AD/DHC-3/7 Engine Breather Drain Box NK

Applicability: All models with S/Nos 1 to 73.

Requirement: Action in accordance with De H Canada EB “O” No 5.

Note: Canadian AD 55-6 refers.

Compliance: Forthwith.

Source text

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