# SDR AU990430015

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 16, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Propeller: Hartzl HCB3TN3
- System (JASC): [6111 · Propeller Blade Section](https://openairdocs.org/jasc/6111)
- Part: Bearing
- Part number: 57A1857T
- Condition: Corroded
- Location: Prop Blade
- Component: Hartzl, HCB3TN3C
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AU990430015

## Discrepancy

(AU) DURING INSPECTION, WHILE COMPLYING WITH AD 96-18-14,  NR 1 BLADE BEARINGS AND CLAMP WERE FOUND CORRODED.  THE CORROSION WAS IN EXCESS OF THE ALLOWABLE REPAIR LIMITS.  THE PARTS WERE RETIRED FROM SERVICE.

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