AD/F100/76 - Main Landing Gear Outboard Door (Cth)

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 39.001(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/F100/76 Main Landing Gear Outboard Door 3/2006

Applicability: Model F28 Mark 0070 and Mark 0100 aircraft, all serial numbers, if equipped with Carbon-Fibre Reinforced Plastic (CFRP) Main Landing Gear Doors, Part Number D13312-401 through -410, including units held as spares. Requirement: 1. Inspect the main landing gear (MLG) outboard doors for cracks in the CFRP outer skin at the countersunk heads of the operating rod bracket attachment bolts in accordance with Part 1 of Section 3, Accomplishment Instructions, of Fokker Service Bulletin SBF100-52-080, dated 12 December 2005, or later CAA-NL approved revision.

2. If cracks are found, modify the MLG outboard door operating rod bracket attachment by the installation of reinforcement plates in accordance with Part 2 of Section 3, Accomplishment Instructions, of Fokker SBF100-52-080, or later CAA-NL approved revision.

3. If no cracks are found, modify the MLG outboard door operating rod bracket attachment by the installation of reinforcement plates in accordance with Part 2 of Section 3, Accomplishment Instructions, of Fokker SBF100-52-080, or later CAA-NL approved revision.