AD/PC-12/37 - Fuel Boost Pump Wiring (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 39.1 (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.

Pilatus PC-12 Series Aeroplanes

AD/PC-12/37 Fuel Boost Pump Wiring 9/2003 TX

Applicability: All PC-12 and PC-12/45, Manufacturers Serial Numbers 101 through 520 inclusive, with fuel boost pumps Part Number (P/N) 968.84.11.401, 968.84.11.403 or 968.84.11.404 installed.

Requirement: 1. Insert Temporary Revision No. 7 or No. 37, as applicable, into the Australian Aircraft Flight Manual (AFM) (Pilatus PC-12 Pilots Operating Handbook, Report No 02211 for PC-12/45 aeroplanes and Report No. 01973-001 for PC-12 aeroplanes).

2. Insert Pilatus PC-12 Aircraft Maintenance Manual Temporary Revision (AMM TR) No. 12-03 (AMM 12-10-01) and AMM TR No. 28-02 (AMM 28-20-04) in the applicable AMM section.

3. Perform an inspection to determine the P/N of the installed fuel boost pump.

4. If, as result of the Requirement 3 inspection, a fuel boost pump with P/N 968.84.11.401 is found installed, replace the pump with a pump modified to the latest standard.

5. If, as result of the Requirement 3 inspection, a fuel boost pump with P/N 968.84.11.403 or 968.84.11.404 is found installed, inspect the fuel pump leads for defects in accordance with Pilatus PC-12 Service Bulletin 28-011, Revision 1, dated 11 July 2003.