AD 2003-20-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Pilatus | Aircraft Ltd | Airworthiness Directives; PILATUS Aircraft Ltd. Model PC-7 Airplanes |
Unsafe Condition
Cracks in the forward and aft dihedral fittings could result in failure of the wing in certain maneuvers, leading to loss of control of the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the forward and aft dihedral fittings for cracks. Replace any cracked fittings. Modify the aft dihedral fittings and spar-cap bolt holes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Whichever occurs later: (1) upon the accumulation of 3,000 hours time-in-service (TIS) on the dihedral fittings or 10 years after installation of the dihedral fittings, whichever occurs first; or (2) within 90 days after the effective date of this AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
PILATUS Aircraft Ltd. Model PC-7 airplanes, serial numbers 101 through 618, equipped with forward and aft dihedral fittings part numbers 111.34.07.469, 111.34.07.470, 111.34.07.471, and 111.34.07.472.
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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