AD 63-13-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Hartzell Propeller, Inc. | HC-93Z30-2 | HARTZELL Models HC-93Z30-2/10152-5 1/2, HC-B3Z30-2/ 10152-5 1/2, and HC-B3Z30-2/10160-6 Propellers |
| aircraft | Hartzell Propeller, Inc. | HC-B3Z30-2 | HARTZELL Models HC-93Z30-2/10152-5 1/2, HC-B3Z30-2/ 10152-5 1/2, and HC-B3Z30-2/10160-6 Propellers |
Unsafe Condition
Propeller blade slippage and blade shank failures
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect blades for cracks using dye penetrant and magnetic particle processes, shot peen blade shank and hub (except HC-93Z30 hub), check blade clamp clearances, set blade angles per manuals, and index blades/clamps with red plastic tape. Inspections must occur before further flight if blade angles exceed 1 degree tolerance. Blades must be inspected/rewrought within 25 hours' time in service or before 2,000 hours' total time in service depending on prior indexing and time.
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Compliance Time
Within 25 hours' time in service after the effective date of this AD, or before the accumulation of 2,000 hours' total time in service depending on blade's prior indexing and time in service.
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Affected Aircraft
Hartzell Propeller, Inc. Models HC-93Z30-2/10152-5 1/2, HC-B3Z30-2/10152-5 1/2, and HC-B3Z30-2/10160-6 Propellers installed on Pratt and Whitney R-985 Engines.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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