Commonwealth legislation

AD/DHC-8/24 - Fuel Heater Low Fuel Pressure Switch Adapter/Snubber and Engine Nacelle Sealing

In ForceCTH

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Commonwealth

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legislative instrument

Plain English Summary

4/10 complexity

This AD mandates operators and maintenance organisations of DHC‑8‑102/103/301/311 aeroplanes to carry out the corrective inspections and repairs set out in FAA AD 92‑13‑11—specifically addressing the fuel heater low fuel pressure switch adapter/snubber and nacelle sealing—to remove a failure mode linked to a nacelle fire caused by overtorquing/improper seating and resultant fuel leak. Compliance is compulsory under the Australian AD (effective 4 Nov 1992); operators bear inspection, repair, parts and downtime costs and must follow the FAA‑prescribed methods.

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AD/DHC-8/24 - Fuel Heater Low Fuel Pressure Switch Adapter/Snubber and Engine Nacelle Sealing

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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Bombardier (Boeing Canada/De Havilland) DHC-8 Series Aeroplanes

AD/DHC-8/24 Fuel Heater Low Fuel Pressure Switch

Adapter/Snubber and Engine Nacelle Sealing

Applicability: DHC-8-102, -103, -301, and 311 Series.

Requirement: Action IAW the technical requirements of the FAA AD 92-13-11.

13/92

Note: Transport Canada Airworthiness Directive CF-92-12; All Operator Messages 131, 138 and 152; and Alert Service Bulletin A8-73-14 refer.

Compliance: As detailed in the Requirement Document with an effective date of 4 November 1992.

Background: Investigation into an incident involving a nacelle fire indicated that overtorquing and improper seating contributed to the failure of the fuel heater low pressure switch adapter/snubber resulting in a fuel leak in the nacelle.

Source text

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

1 AD/DHC-8/24 - Fuel Heater Low Fuel Pressure Switch Adapter/Snubber and Engine Nacelle Sealing