Commonwealth legislation

AD/BN-2/53 Amdt 2 - Primary Structure Corrosion

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Commonwealth

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legislative instrument

Plain English Summary

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This airworthiness directive requires owners/operators of all Pilatus Britten‑Norman BN‑2 Series Islanders (including BN2T Turbine Islanders) to carry out inspections and repairs for primary‑structure corrosion in accordance with Pilatus Britten‑Norman Mandatory Service Bulletin BN‑2/SB.190 Issue 3. Compliance follows the service bulletin’s schedules; previous compliance periods remain unchanged and the AD took effect 26 March 1998.

Operators pay for the inspections/repairs and must adopt the SB’s clarified inspection and repair procedures after the manufacturer found earlier measures were only partially successful.

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Current sections

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AD/BN-2/53 Amdt 2 - Primary Structure Corrosion

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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Pilatus Britten-Norman BN-2 Series Aeroplanes

AD/BN-2/53

Amdt 2

Primary Structure Corrosion 4/98

Applicability: All models BN-2 Series Islanders, and BN2T Turbine Islanders.

Requirement: Action in accordance with Pilatus Britten-Norman Mandatory Service Bulletin BN- 2/SB.190 Issue 3.

Note: UK CAA AD 020-02-90 refers.

Compliance: As specified in the requirement document

The compliance periods of the previous issue of this Directive remain unchanged. This amendment becomes effective on 26 March 1998.

Background: The manufacturer has determined that the recommended inspections had only been partially successful in controlling major corrosion.

Amendment 1 provided additional information and actions, and incorporated the active parts of earlier service bulletins for the purpose of centralising all effective information relating to corrosion.

Amendment 2 is issued in response to Issue 3 of the requirement document which gives clearer inspection and repair procedures for corrosion control.

Amendment 1 of this airworthiness directive became effective on 4 March 1993.

The original issue of this airworthiness directive became effective on 30 March 1990.

Source text

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

1 AD/BN-2/53 Amdt 2 - Primary Structure Corrosion