AD/F100/74 - Fire Protection - Engine Fire Extinguishing Line Shuttle Valve (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/F100/74 Fire Protection - Engine Fire 3/2006 Extinguishing Line Shuttle Valve

Applicability: Fokker Aircraft B.V. Model F28 Mark 0070 and Mark 0100 aircraft. Requirement: 1. Inspect the nuts on the affected shuttle valves in accordance with Section 3. Accomplishment Instructions of Fokker Service Bulletin SBF100-26-019 dated 6 January 2006 or later CAA-NL approved revision.

If no discrepancies are found no further action is required by this AD.

2. When discrepancies are found during the inspection, detailed in Requirement 1 of this AD, tighten or replace the affected nuts, or replace the shuttle valves in accordance with Section 3. Accomplishment Instructions of Fokker SBF100-26-019 or later CAA-NL approved revision.

3. Report all discrepancies, if any have been found, to the TC-holder as detailed in SBF100-26-019 or later CAA-NL approved revision.

Note 1: Fokker 70/100 Maintenance Manual Task 26-21-03-400-814A also pertains to this subject.