Airworthiness directives › 2016-05-01
AD 2016-05-01 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 listed in paragraphs (c)(1) and (c)(2) of this AD, certificated in any category: (1) Models PA-31, PA-31-300, and PA-31-325: Serial numbers 31-2 through 31-900 and 31-7300901 through 31-8312019; and (2) Model PA-31-350: Serial numbers 31-5001 through 31-5004 and 31-7305005 through 31-8553002. Note 1 to paragraph (c)(1) of this AD: The Model PA-31 may also be identified as a PA-31-310, even though the PA-31-310 is not a model recognized by the Federal Aviation Administration (FAA) on the type certificate data sheet.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
(1) Before or upon accumulating 2,000 hours time-in-service (TIS) or within the next 100 hours TIS after April 15, 2016 (the effective date of this AD), whichever occurs later, and repetitively thereafter at intervals not to exceed 100 hours TIS, inspect the bulkhead assembly at FS 317.75 for cracks following Part I of the Instructions in Piper Aircraft, Inc. Service Bulletin No. 1273A, dated October 22, 2015. (2) If any cracks are found during the inspection required in paragraph (g)(1) of this AD, before further flight, repair the cracks and install the reinforcement modification following Part I of the Instructions in Piper Aircraft, Inc. Service Bulletin No. 1273A, dated October 22, 2015. This repair/modification terminates the requirements for the repetitive inspections required in paragraph (g)(1) of this AD. (3) You may do the modification required in paragraph (h) of this AD to terminate the repetitive inspections required in paragraph (g)(1) of this AD.
Unsafe condition
This AD was prompted by bulkhead cracks found on airplanes that had complied with AD 96-12-12 and on additional airplanes not affected by AD 96-12-12. We are issuing this AD to prevent structural failure of the vertical fin forward spar caused by cracks in the fuselage station (FS) at 317.75 upper bulkhead, which could lead to loss of control.
Affected ADs
This AD replaces 96-12-12, Amendment 39-9654 (61 FR 28732, June 6, 1996) (“AD 96-12-12”).
Read the original on the Federal Register →
You just looked this one up by hand
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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