Airworthiness directives › 2015-13-09
AD 2015-13-09 Airworthiness Directives; Piper Aircraft, Inc. Airplanes
Makes named: piper. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to the following Piper Aircraft, Inc. airplanes, certificated in any category, as identified in table 1 of paragraph (c) of this AD: Table 1 of Paragraph ( c ) of This AD—Applicability Model Serial No. PA-46-350P 4636652 through 4636662. PA-46-500TP 4697549, 4697569, 4697582 through 4697591, 4697593 through 4697595, 4697597, and 4697598.
Compliance
Comply with this AD as specified in paragraphs (g) and (h) of this AD, including all subparagraphs, unless already done.
Required actions
Do one of the following in paragraphs (g)(1) or (g)(2) of this AD: (1) Before further flight after July 13, 2015 (the effective date of this AD), modify the encoder mounting installation by installing two cable ties and adding thread-locking compound to the knurled holddown nut. Do the modification following Part I of Piper Aircraft, Inc. Mandatory Service Bulletin No. 1283, dated June 12, 2015. (2) Before each flight after July 13, 2015 (the effective date of this AD) do a pre-flight security check by grasping the knurled holddown nut with a bare hand and verifying that the nut is tight and secure. Within the next 10 hours time-in-service after July 13, 2015 (the effective date of this AD), you must do the modification required in paragraph (g)(1) of this AD. (i) The pre-flight security check required in paragraph (g)(2) of this AD may be performed by the owner/operator holding at least a private pilot certificate as authorized by section 43.7 of the Federal Aviation Regulations (14 CFR 43.7), and must be entered into the aircraft records showing compliance with this AD in accordance with section 43.9 of the Federal Aviation Regulations (14 CFR 43.9). Note 1 to paragraph (g)(2)(i): Piper Aircraft, Inc. Mandatory Service Bulletin No. 1283, dated June 12, 2015, which is incorporated by reference in this AD, includes pictures for accessing and locating the cabin altitude encoder and can be used as guidance for performing this preflight check. See paragraphs (l)(3) and (l)(4) for the availability of this service information. (ii) The pre-flight security check required in paragraph (g)(2) of this AD is no longer necessary after the modification required by either paragraph (g)(1) or (g)(2) of this AD.
Unsafe condition
This AD was prompted by a report that a cabin altitude encoder came free from its mounting bracket, which interfered with motion of the elevator flight control. This condition, if not prevented, could result in loss of control. We are issuing this AD to correct the unsafe condition on these products.
Affected ADs
None.
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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