# SDR 96ZZZX5337

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 2, 1996
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N1096W](https://openairdocs.org/aircraft/N1096W), registered now
- Make and model: Beech F33A
- Registry model: [Beech F33A](https://openairdocs.org/model/beech-f33a) (OpenAirDocs)
- Aircraft serial: CE436
- Engine: Cont IO520BA
- System (JASC): [8520 · Reciprocating Engine Power Section](https://openairdocs.org/jasc/8520)
- Part: Crankcase
- Condition: Cracked
- Location: Nr 5 Cyl Stud
- Part time: 417 hours
- 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/96ZZZX5337

## Discrepancy

ON 10-2-96 MAINTENANCE WAS NOTIFIED OF AN OIL LEAK ON THE ENGINE.  UPON FURTHER INVESTIGATION, A CRACK WAS NOTED ABOVE THE TOP FORWARD CYLINDER HOLD DOWN STUD OF THE NR 5 CYLINDER.  SUSPECT CAUSE OVERTORQUEING OR TORQUEING SEQUENCE.  SUBMIMTTER STATED CLOSE INSPECTION OF THESE AREAS WILL PREVENT FURTHER DAMAGE.

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