Commonwealth legislation

AD/DHC-1/19 Amdt 1 - Flap Layshaft and Operating Cam

RepealedCTH

This Act has been repealed and is no longer in force. It is retained for historical reference.

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

2/10 complexity

Owners and operators of vintage De Havilland DHC‑1 Chipmunk (Model C1) must inspect the flap layshaft and operating cam for cracks per British Aerospace Technical News Sheet No.170 at the next "Check 4" after 17 July 1997 and at every subsequent Check 4. This mandatory AD responds to cracked/broken flap components that could cause flap failure and endanger flight safety; Amendment 1 updates the technical‑manual reference.

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Current sections

Direct links to the current provisions in AD/DHC-1/19 Amdt 1 - Flap Layshaft and Operating Cam.

AD/DHC-1/19 Amdt 1 - Flap Layshaft and Operating Cam

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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De Havilland DHC-1 (Chipmunk) Series Aeroplanes

AD/DHC-1/19

Amdt 1

Flap Layshaft and Operating Cam 8/97

Applicability: Model C1 Chipmunk (English production) aircraft.

Requirement: Inspect in accordance with British Aerospace Technical News Sheet (TNS) No.170 Issue 2.

Note: TNS 170 superseded TNS 155.

Compliance: At the next Check 4 inspection after 17 July 1997; and thereafter at each subsequent Check 4 inspection.

This amendment becomes effective on 17 July 1997.

Background: Reports were received of cracking or fracture of the brazing joint of the arm and associated tube, which together form the flap operating rod. Cracking of the operating cam has also been reported.

Amendment 1 is issued to include the current issue of the applicable Technical News Sheet.

The original issue of this airworthiness directive became effective on 17 March 1969.

Source text

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

1 AD/DHC-1/19 Amdt 1 - Flap Layshaft and Operating Cam