AD/TB20/38 - Seat Unlocking

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105

CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

Page 1 of 1

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:

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.

Aerospatiale (Socata) TB 20 (Trinidad) Series Aeroplanes

AD/TB 20/38 Seat Unlocking 7/2001

All TB 20 aircraft without Socata modification No. 165 incorporated in production.

Action in accordance with Socata Service Bulletin No. 10-115-25.

DGAC AD 2001-005(A) refers.

Unless already accomplished, at the next scheduled inspection after 19 July 2001.

This Airworthiness Directive becomes effective on 12 July 2001.

The manufacturer received reports of front seats unlocking. Investigation revealed

interference of the seat pan with the locking mechanism as the cause. This Directive

requires modification action.

David Alan Villiers

Delegate of the Civil Aviation Safety Authority

1 June 2001

The above AD is notified in the Commonwealth of Australia Gazette on 13 June 2001.