Commonwealth legislation

AD/DHC-2/31 - Fuselage Station 228 Bulkhead

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legislative instrument

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This directive requires owners/operators of specified DHC‑2 “Beaver” models to inspect the rear fuselage bulkhead at station 228 per Bombardier service bulletin/technical bulletin, initially by 1 Dec 1999 and every five years thereafter. If cracks are found the aircraft must not fly until the bulkhead is repaired or replaced per manufacturer instructions. Costs and downtime fall to operators.

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AD/DHC-2/31 - Fuselage Station 228 Bulkhead

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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DHC-2 (Beaver) Series Aeroplanes

AD/DHC-2/31 Fuselage Station 228 Bulkhead 1/99

Applicability: All model DHC-2 Mk. I and Mk. II “Beaver” aircraft and Mk. III “Turbo Beaver” aircraft.

Requirement: Inspect the rear fuselage bulkhead at station 228 in accordance with Bombardier Inc. de Havilland Service Bulletin 2/52 or TB/60, as applicable.

If cracks are found, before further flight, replace the bulkhead, or repair the bulkhead in accordance with repair instructions from the manufacturer.

Note: Transport Canada AD CF-98-38 refers.

Compliance: Unless the initial inspection is already accomplished, before 1 December 1999; thereafter at intervals not to exceed 5 years.

This Airworthiness Directive becomes effective on 28 January 1999.

Background: Transport Canada received reports of cracks in the bulkhead at fuselage station 228 of three DHC-2 aircraft which had accumulated between 10,000 and 12,000 flight hours.

Source text

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

1 AD/DHC-2/31 - Fuselage Station 228 Bulkhead