AD 2007-15-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Pilatus | Aircraft Limited Model PC-6 | Airworthiness Directives; Pilatus Aircraft Limited Model PC-6 Series Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; Pilatus Aircraft Limited Model PC-6 Series Airplanes |
Unsafe Condition
Cracks in the upper wing strut fittings of some PC-6 aircraft, potentially caused by loose or corroded spherical bearings in the wing strut fittings, leading to joint malfunction and fatigue cracks. Undetected cracks could result in failure of the upper attachment fitting, wing structure failure, and loss of control.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the wing strut fittings and replace any damaged fittings with new ones. Examine the spherical bearings installed in the wing strut fittings and replace any bearings that do not pass the examination criteria.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 50 flight hours after the effective date of the AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Pilatus Aircraft Limited Model PC-6 Series Airplanes, including Models PC-6, PC-6-H1, PC-6-H2, PC-6/350, PC-6/350-H1, PC-6/350-H2, PC-6/A, PC-6/A-H1, PC-6/A-H2, PC-6/B-H2, PC-6/B1-H2, PC-6/B2-H2, PC-6/B2-H4, PC-6/C-H2, and PC-6/C1-H2; manufacturer serial numbers (MSN) 101 through 951, and MSN 2001 through 2092; certificated in any category.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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