# SDR 97ZZZX4641

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 9, 1997
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N8682U](https://openairdocs.org/aircraft/N8682U), registered now
- Make and model: Cessna 172F
- Registry model: [Cessna 172F](https://openairdocs.org/model/cessna-172f) (OpenAirDocs)
- Aircraft serial: 17252585
- Engine: Cont O300D
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Piston Pin
- Condition: Failed
- Location: Nr 6 Cylinder
- Part time: 804 hours
- 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/97ZZZX4641

## Discrepancy

OIL SCREEN FULL OF METAL AND COLLAPSED.  FOUND PIN PLUG NR 6 CYLINDER FAILED.  PIN PLUG IN NR 2 CYLINDER EXPANDED AND LOOSENED.  SUBMITTER STATED ALUMINUM PLUGS ARE SWAGED.  MAYBE A RELIEF HOLE TO RELIEVE INTERNAL PRESSURE MIGHT BE CONSIDERED TO PREVENT EXCESSIVE WEAR.

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