Commonwealth legislation

AD/BN-2/56 - Elevator Trim Cable

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legislative instrument

Plain English Summary

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This Directive requires owners/operators of certain Pilatus Britten‑Norman Islander (BN2A/BN2B and BN2T) aircraft fitted with the Century 31 or Century 2000 autopilots to carry out the maintenance in Mandatory Service Bulletin BN‑2/SB 217 to address wear and fraying of the elevator trim cable splice. Initial action is within 50 flight hours after 9 Nov 1994 and then every 100 hours; owners bear the costs and downtime.

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AD/BN-2/56 - Elevator Trim Cable

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-2/56 Elevator Trim Cable 1/95 DM

Applicability: Model BN2A and 2B Series Islander, and BN2T Turbine Islander aircraft, including those styled Defender; having the Century 31 Autopilot System fitted to Modification NB/M/1271 or Century 2000 Autopilot System fitted to Modification NB/M/1488.

Requirement: Action in accordance with Pilatus Britten-Norman Mandatory Service Bulletin BN- 2/SB 217 Issue 1.

Note: UK CAA AD 007-09-94 refers.

Compliance: Within 50 hours time in service after 9 November 1994, and thereafter at intervals not to exceed 100 hours time in service.

Background: Reports have been received of wear and eventual fraying of the elevator trim cable splice. Investigation has shown that the positions of the wear and fraying areas on the cable correspond with the positions of the fairleads at frame stations 352.4, 383.45, and 390.6.

Source text

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

1 AD/BN-2/56 - Elevator Trim Cable