Commonwealth legislation

AD/PC-6/50 - Inboard Fuel Tanks Rib Structure

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Commonwealth

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legislative instrument

Plain English Summary

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This Airworthiness Directive orders owners/operators of Pilatus PC-6 aeroplanes (serial numbers up to and including MSN 939) to carry out the inspections and corrective work set out in Pilatus Mandatory Service Bulletin No. 57-002. It sets a near-term timetable: Part A at the next scheduled maintenance after 20 March 2003 or by 30 June 2003, and Part B by 30 September 2003 unless Service Bulletin No. 118 is already fitted, prompted by reported cracks in the inboard fuel‑tank ribs.

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AIRWORTHINESS DIRECTIVE

View image in the official source

View image in the official source
For the reasons set out in the background section, the CASA delegate whose signature appears below issues the following Airworthiness Directive (AD) under subregulation 39.1 (1) of CAR 1998. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.

Pilatus Porter PC-6 Series Aeroplanes

AD/PC-6/50 Inboard Fuel Tanks Rib Struct

AD/PC-6/50 Inboard Fuel Tanks Rib Structure 3/2003

Applicability: Model PC-6 Series aircraft, with serial numbers up to and including MSN 939. Requirement: Action in accordance with Pilatus Aircraft Mandatory Service Bulletin No. 57-002

Note: Switzerland FOCA AD HB 2003-092 refers.

Compliance: For Part A of the Requirement document:

At the next scheduled maintenance inspection after 20 March 2003 or before 30 June 2003, whichever occurs first.

For Part B of the Requirement document:

If Service Bulletin No. 118 is not incorporated, accomplish before 30 September 2003.

This Airworthiness Directive becomes effective on 20 March 2003.

Background: Crack damage has occurred in the ribs in the inboard integral fuel tanks in the left and right wings of PC-6 aircraft.

Signature of David Villiers, Delegate of the Civil Aviation Safety Authority.

David Alan Villiers

Delegate of the Civil Aviation Safety Authority 6 February 2003

View image in the official source

Source text

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

AIRWORTHINESS DIRECTIVE AIRWORTHINESS DIRECTIVE

AIRWORTHINESS DIRECTIVE

For the reasons set out in the background section, the CASA delegate whose signature appears below issues the following Airworthiness Directive (AD) under subregulation 39.1 (1) of CAR 1998. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.

Pilatus Porter PC-6 Series Aeroplanes

AD/PC-6/50 Inboard Fuel Tanks Rib Struct AD/PC-6/50 Inboard Fuel Tanks Rib Structure 3/2003

AD/PC-6/50 Inboard Fuel Tanks Rib Structure 3/2003

Applicability: Model PC-6 Series aircraft, with serial numbers up to and including MSN 939. Requirement: Action in accordance with Pilatus Aircraft Mandatory Service Bulletin No. 57-002

Note: Switzerland FOCA AD HB 2003-092 refers.

Compliance: For Part A of the Requirement document:

At the next scheduled maintenance inspection after 20 March 2003 or before 30 June 2003, whichever occurs first.

For Part B of the Requirement document:

If Service Bulletin No. 118 is not incorporated, accomplish before 30 September 2003.

This Airworthiness Directive becomes effective on 20 March 2003.

Background: Crack damage has occurred in the ribs in the inboard integral fuel tanks in the left and right wings of PC-6 aircraft.

David Alan Villiers

Delegate of the Civil Aviation Safety Authority 6 February 2003