Commonwealth legislation

AD/BEECH 55/76 - Elevator Trim Tab Actuator

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

This Airworthiness Directive requires owners/operators of specified Beechcraft 55/58/95‑55 series aeroplanes to carry out the mandatory actions in Beechcraft Service Bulletin 2399 at the next scheduled maintenance-release inspection after 29 February 1992. It affects aircraft owners, maintenance organisations and mechanics; the stated purpose is to prevent left/right elevator trim‑tab actuator reversal (identified in two fatal accidents) by forcing a specified maintenance/identification action.

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AD/BEECH 55/76 - Elevator Trim Tab Actuator

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source Beechcraft 55, 58 and 95-55 (Baron) Series Aeroplanes

AD/BEECH 55/76 Elevator Trim Tab Actuator 2/92

Applicability: Models and serial numbers as listed in Beechcraft Service Bulletin 2399. Requirement: Action in accordance with mandatory Beechcraft Service Bulletin 2399.

Note: FAA AD 91-17-01 Amdt 39-7099 refers.

Compliance: At the next scheduled inspection for Maintenance Release issue after 29 February 1992.

Background: There have been two fatal accidents reported, in which the elevator trim tab actuators were reversed following maintenance. The actions specified in this Directive are intended to prevent interchanging the right-hand and left-hand trim tab actuators that, if reversed, could result in loss of control of the aircraft.

Source text

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