# SDR 2000ZZZX572

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 17, 2000
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: N7652L
- Make and model: Piper PA-31P
- Registry model: [Piper PA-31P](https://openairdocs.org/model/piper-pa-31p) (OpenAirDocs)
- Aircraft serial: 31P730012
- Propeller: Hartzl HCC3YN
- System (JASC): [6110 · Propeller Assembly](https://openairdocs.org/jasc/6110)
- Part: Bearing
- Part number: LW13335
- Condition: Failed
- Location: Propeller
- Part time: 521 hours
- Component: Lyc, LW13081
- Stage of operation: AP
- Nature of condition: K, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2000ZZZX572

## Discrepancy

OIL PRESSURE DROPPED TO UPPER YELLOW  AREA ON APPROACH TO LANDING.  FOUND FERROUS AND NON-FERROUS  METAL IN FILTER.  ENGINE TORN DOWN, FOUND THRUSTBEARING BEARING BROKEN.  SUBMITTER SUSPECTED PIECES WENT THROUGH PROPELLER DRIVE AND DRIVE GEARS CAUSING DAMAGE TO BOTH GEARS.

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