AD/PA-23/90 - Turbo-Charger Oil Tank (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.

Piper PA-23 (Apache and Aztec) Series Aeroplanes AD/PA-23/90 Turbo-Charger Oil Tank 3/2005

Applicability: All The New Piper Aircraft, Inc. Models PA-23-235, PA-23-250, and PA-E23-250 aircraft equipped with AiResearch turbosupercharger systems:

(a) configured in accordance with CASA AD/PA-23/56; or

(b) configured in accordance with Supplementary Type Certificate (STC) SA852WE, SA909WE or SA978WE; or

(c) installed in accordance with Piper Aircraft Corporation Drawing Number 32016. Requirement: Compliance with this directive is an alternate means of compliance with AD/PA-23/56.

(a) Inspect the turbosupercharger system to ensure it complies with the requirements of AD/PA-23/56. If the turbosupercharger system complies with the requirements of AD/PA-23/56, no further action with regard to Paragraphs (b), (c), or (d) of this AD is required.

(b) Inspect in accordance with the procedures in Garrett Aviation Service Bulletin No. 1002143, Revision A, dated June 18, 2004.

(i) Replace any oil reservoir (P/N 286-P23-028-81 or 286-P23-028-111, or FAA-approved equivalent P/N) with a fireproof oil tank (P/N 10ND79200-1 or 10ND79200-3, or FAA-approved equivalent P/N); and