AD/F100/55 Amdt 1 - Main Landing Gear Main Fitting - 2 (Cth)

AIRWORTHINESS DIRECTIVE On the effective date specified below, and for the reasons set out in the background section, the CASA delegate whose signature appears below revokes Airworthiness Directive (AD) AD/F100/55 and issues the following AD under subregulation 39.1 (1) of CASR 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.

Fokker F100 (F28 Mk 100) Series Aeroplanes

AD/F100/55 Amdt 1

Main Landing Gear Main Fitting - 2 2/2005 DM

Applicability: Model F.28 Mk 0100 and Mk 0070 aircraft, all serial numbers, if equipped with Messier-Dowty (formerly Dowty Aerospace Gloucester) MLG units.

Requirement: 1. Amend the Aircraft Flight Manual (AFM), Section Limitations, to prohibit the application of brakes during backward movement (push-back) of the aircraft. This may be accomplished by inserting a copy of this Directive into the AFM.

2. Install a placard on the pedestal, next to the parking brake handle, having the following wording:

"Application of Brakes During Backward Movement is Prohibited"

3. Inspect the MLG Main Fittings in accordance with the Accomplishment Instructions of Messier-Dowty (SB) F100-32-104, dated 22 August 2002, or later UK CAA approved revision.

4. Whenever a hard or overweight landing is reported and subsequently confirmed by inspection in accordance with the Aircraft Maintenance Manual Chapter 05- 51-01, Table A, inspect the MLG Main Fittings in accordance with the Accomplishment Instructions of Messier-Dowty SB F100-32-104 Revision 2, dated 30 October 2003, or later UK CAA approved revision.