Airworthiness directives › 2005-01-10
AD 2005-01-10 Airworthiness Directives; The New Piper Aircraft, Inc. Models PA-23-235, PA-23-250, and PA-E23-250 Airplanes
Makes named: piper. Models named: PA-23-235, PA-23-250, PA-E23-250. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
(c) This AD affects Models PA-23-235, PA-23-250, and PA-E23-250 airplanes, all serial numbers, that are (1) certificated in any category; and (2) equipped with Garrett Aviation Services (Garrett) (formerly AiResearch) turbosuperchargers installed under supplemental type certificate (STC) SA852WE, SA909WE, or SA978WE; or installed under The New Piper, Inc. (Piper) Aircraft Drawing Number 32016. Note: Piper manufactured the majority of affected airplanes with the turbocharger system. The turbocharger system installed under Piper Aircraft Drawing Number 32016 (STC SA909WE) was a factory option on the Piper Model PA-23-250 or PA-E23-250 with serial numbers 27-2505 through 27-3943.
Required actions
(e) To address this problem, you must do the following: Actions Compliance Procedures (1) For any turbosupercharger installation under supplemental type certificate (STC) SA852WE, SA909WE, or SA978WE: Within the next 100 hours time-in-service (TIS) after February 22, 2005 (the effective date of this AD), unless already done Follow the procedures in Garrett Aviation Service Bulletin No. 1002143, Revision A, dated June 18, 2004. (i) Replace any oil reservoir (part number (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 (ii) Replace the installed oil reservoir hoses with fire-shielded hoses. (2) For any turbosupercharger installation under Piper Aircraft Drawing Number 32016: Within the next 100 hours TIS after February 22, 2005 (the effective date of this AD), unless already done Follow the procedures in The New Piper Aircraft, Inc. Vendor Service Publication No. 166, dated August 20, 2004 and 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 (ii) Replace the installed oil reservoir hoses with fire-shielded hoses. (3) For any turbosupercharger installation under STC SA852WE, SA909WE, or SA978WE; or Piper Aircraft Drawing Number 32016: Do not install any oil reservoir (P/N 286-P23-028-81 or 286-P23-028-111, or FAA-approved equivalent P/N). Do not install any oil reservoir hose that is not fire-shielded As of February 22, 2005 (the effective date of this AD) Not Applicable.
Unsafe condition
(d) This AD is the result of a report of a fatal accident related to the breakdown of the turbocharger oil reservoir following a fire in the engine nacelle. The actions specified in this AD are intended to prevent turbosupercharger oil reservoirs with inadequate fire resistance from failing when exposed to flame or exhaust gases. This failure could lead to an in-flight fire within the nacelle area penetrating the firewall and subsequent failure of the wing spar.
Affected ADs
(b) This AD supersedes AD 74-06-01.
Read the original on the Federal Register →
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1