AD/AS 355/68 - "TRW-SAMM" Main Servocontrols (Cth)

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

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.

Eurocopter AS 355 (Twin Ecureuil) Series Helicopters

AD/AS 355/68 "TRW-SAMM" Main Servocontrols 10/2002

Applicability: AS 355 helicopters version F, F1, F2, and N equipped with "TRW-SAMM' main servocontrols Part Number (P/N) SC 8042 or SC 8043 which underwent their last complete overhaul or repair since overhaul at "HAWKER PACIFIC AEROSPACE', USA before March 1 2002.

Requirement: Remove the servocontrols and return them to "HAWKER PACIFIC AEROSPACE" for a check of the thread condition and application torque as required in Eurocopter AS 355 Alert Telex No. 67.00.23.

Note: DGAC 2002-315-069(A).

Compliance: 1. For servocontrols held as spares; prior to fitment to an aircraft.

2. For servocontrols that have been in service for less than 1000 flight hours since overhaul; within 550 flight hours or 3 October 2003, whichever comes first.

3. For servocontrols that have been in service between 1000 and 1300 flight hours since overhaul; prior to 1550 flight hours or 3 July 2003, whichever comes first.