# SDR 96ZZZX4786

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 13, 1995
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N321GS](https://openairdocs.org/aircraft/N321GS), registered now
- Make and model: Piper PA-34-200T
- Registry model: [Piper PA-34-200T](https://openairdocs.org/model/piper-pa-34-200t) (OpenAirDocs)
- Aircraft serial: 347770419
- Engine: Cont TSIO360E
- System (JASC): [8520 · Reciprocating Engine Power Section](https://openairdocs.org/jasc/8520)
- Part: Crankcase
- Part number: 303821
- Condition: Cracked
- Location: Nr 3 Bearing
- Stage of operation: IN
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/96ZZZX4786

## Discrepancy

DURING TROUBLESHOOTING TO DETERMINE ORIGIN OF AN OIL LEAK, FOUND CASE CRACKED ON BOTH VALVES AT NR 3 BEARING WEB.  UPON TEAR DOWN, CASE HALVES WERE REJECTED DUE TO FAILING HARDNESS TEST.  CRACKS WERE IN AREA OF A PREVIOUS REPAIR.  CAUSE OF FAILURE UNKNOWN.

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