AD 2014-06-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | M7 | Aerospace LLC | Airworthiness Directives; M7 Aerospace LLC Airplanes |
Unsafe Condition
Reports of airplanes with multiple fatigue cracks in the FS 69.31 front pressure bulkhead. Cracks in the FS 51.31 (SA26 airplanes) and FS 69.31 (SA226 and SA227 airplanes) front pressure bulkhead, which if not corrected, could result in cabin depressurization.
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Required Actions
Repetitively inspect (visually) the FS 51.31 front pressure bulkhead on SA26 series airplanes and FS 69.31 front pressure bulkhead on SA226 and SA227 series airplanes for cracks. Repair any cracked bulkhead. Report certain inspection results to M7 Aerospace LLC.
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Compliance Time
Within the compliance times specified in paragraphs (h) through (j) of this AD, including all subparagraphs, unless already done.
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Affected Aircraft
M7 Aerospace LLC Models SA226-AT, SA226-T, SA226-T(B), SA226-TC, SA227-AC (C-26A), SA227-AT, SA227-BC (C-26A), SA227-CC, SA227-DC (C-26B), SA227-TT, SA26-AT, and SA26-T airplanes, all serial numbers, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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