# SDR 96ZZZX4408

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 25, 1996
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N94MA](https://openairdocs.org/aircraft/N94MA), registered now
- Make and model: Piper PA-46-310P
- Registry model: [Piper PA-46-310P](https://openairdocs.org/model/piper-pa-46-310p) (OpenAirDocs)
- Aircraft serial: 468608056
- Engine: Cont TSIO520BE
- System (JASC): [8550 · Reciprocating Engine Oil System](https://openairdocs.org/jasc/8550)
- Part: Filter
- Part number: CH48109
- Condition: Broken
- Location: Engine Oil
- Part time: 23 hours
- Component: Champion
- Stage of operation: IN
- Nature of condition: W
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/96ZZZX4408

## Discrepancy

AFTER CUTTING OIL FILTER OPEN, THE MANUFACTURER'S ANTI-DRAIN BACK VALVE ROLLED EDGE WAS FOUND CRACKED APPROXIMATELY ONE-HALF WAY AROUND AND A PIECE, APPROXIMATELY 1 INCH LONG, HAD BROKEN OFF.  BROKEN PIECES WERE FOUND AFTER OIL COOLER WAS REMOVED AND BACK-FLUSHED.

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