AD 2009-07-06
Unsafe Condition
Corrosion pits in the tulip area of the blades, caused by a lack of adhesive and primer beyond the end of the compression wrap during manufacturing, could result in cracks and separation of the blade, leading to loss of airplane control.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove from service Hamilton Sundstrand Propellers model 568F propellers with blades having part numbers R815505R2, R815505R3, R815505R4, R815505S2, and R815505S3, and serial numbers listed in Table 1 of the AD.
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Compliance Time
Within 30 days after the effective date of the AD (May 1, 2009).
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Affected Aircraft
Hamilton Sundstrand Propellers model 568F propellers with blades having part numbers R815505R2, R815505R3, R815505R4, R815505S2, and R815505S3, and serial numbers listed in Table 1 of the AD. These propellers are installed on, but not limited to, ATR-GIE Avions de Transport Regional ATR-42-400 and -500, ATR72-210A, -500, and Construcciones Aeronauticas, S.A. C-295 airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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