Commonwealth legislation

AD/DHE/20 Amdt 1 - Propeller Shaft - Inspection and Modification

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

This instrument mandates recurring inspections of the propeller shaft on specified De Havilland GQ 70 series engines using Bristol Siddeley TNS GQ70 No.105 and requires incorporation of Mod. 2925. It applies to engines repaired under the listed mods/repair schemes and makes operators/owners responsible for inspection costs and modification work.

Inspections are due within 100 hours TIS after 21 March 1968 and every 400 hours until Mod. 2925 is fitted; the modification must be installed before reinstalling the engine after the next overhaul.

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Current sections

Direct links to the current provisions in AD/DHE/20 Amdt 1 - Propeller Shaft - Inspection and Modification.

AD/DHE/20 Amdt 1 - Propeller Shaft - Inspection and Modification

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 106 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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De Havilland Piston Engines

AD/DHE/20

Amdt 1

Propeller Shaft - Inspection and Modification 3/68

Applicability: All GQ 70 series which have been repaired in accordance with one or more of the following modifications and repair schemes. Mod. 1399 (R155), Mod. 1609 (R259), Mod. 2289 (R155 and R259, with introduction of 70 Mk. 2). Mod. 2931 (R563 and R564) Repair scheme R155 and R259 (70 Mk. 3).

Document: Inspection - Bristol Siddeley TNS GQ70 No. 105 Modification - Mod. No. 2925.

Compliance: Inspection - within 100 hours time in service after 21 March 1968 and thereafter at intervals not exceeding 400 hours time in service until Mod. 2925 is incorporated. Modification - Before installation is an aircraft following next overhaul completed after 21 March 1968.

Source text

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

1 AD/DHE/20 Amdt 1 - Propeller Shaft - Inspection and Modification