AD/PA-34/51 Amdt 1 - Combustion Heater Fuel Pumps (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/PA-34/51 and issues the following 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.

Piper PA-34 (Seneca) Series Aeroplanes AD/PA-34/51 Amdt 1 Combustion Heater Fuel Pumps 10/2005

Applicability: Group 1: The New Piper Aircraft, Inc. aeroplanes retained from AD/PA34/51 original issue: Model Serial Nos. PA-34-200T 34-7570002 through 34-8170092. PA-34-220T 34-8133002 through 3449278.

Group 2: The New Piper Aircraft, Inc. aeroplanes (not included in AD/PA34/51 original issue) added to the applicability of this Directive: Model Serial Nos. PA–34–220T 3449279 through 3449309.

Requirement: 1. Group 1 aeroplanes:

(a) Visually inspect any installed aircraft heater fuel pump (model 91E92-1 or model 91E93-1) for leakage in accordance with The New Piper Aircraft, Inc. Service Bulletin No. 1127, dated 26 February 2003, and Kelly Aerospace Power Systems Service Information Letter Bulletin No. A-110A, dated 6 March, 2003.

(b) If any leak is found, inspect the pump sealing surface for abnormalities (for example, nicks, gouges, or warping). Correct any abnormality found. If any abnormality cannot be corrected, replace the header fuel pump in accordance with The New Piper Aircraft, Inc. Service Bulletin No. 1127, and Kelly Aerospace Power Systems Service Information Letter Bulletin No. A-110A.