AD/GAF-N22/56 Amdt 1 - Rudder Pedal Pivot Arms (Cth)

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

GAF N22 and N24 Series Aeroplanes

AD/GAF-N22/56 Amdt 1

Rudder Pedal Pivot Arms 10/95

Applicability: All N22 and N24 aircraft (including pre Mod N33 configuration). Requirement: 1. For pre Mod N794 Rudder Pedal Pivot Arms:- (a) Remove the rudder pedal pivot arms from the aircraft and perform a fluorescent dye penetrant inspection around the shaft housing in accordance with ASTA Service Bulletin ANMD-27-42, Revision 3, Accomplishment Instructions A.Part 1.(1).

(b) Treat the inside of the rudder pedal pivot arms for corrosion in accordance with ASTA Service Bulletin ANMD-27-42, Revision 3, Accomplishment Instructions B.Part 2.(6),(12)&(13).

It is recommended that Mod N794 be incorporated in its entirety at this time. If Mod N794 is incorporated at a later time, it will be necessary to repeat the corrosion protection treatment after welding. Pedal pivot arms exhibiting severe corrosion, in the form of loose rust flakes or severe pitting, are to be scrapped.

2. For post Mod N794 Rudder Pedal Pivot Arms:-

(a) Visually inspect the rudder pedal pivot arms using 10x magnification, in accordance with ASTA Service Bulletin ANMD-27-42, Revision 3, Accomplishment Instructions A.Part 1.(2).

Compliance: 1. (a) Action in accordance with Requirement paragraph 1(a) before 1000 hours component time in service, or before 14 October 1995, whichever occurs last. Repeat the inspection at intervals not to exceed 300 hours component time in service.

1. (b) Unless previously done, action in accordance with Requirement paragraph 1(b) not later than the next fluorescent dye penetrant inspection after 30 September 1995.