# SDR 95ZZZX4263

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 17, 1995
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: N707FY
- Make and model: Cessna 207
- Registry model: [Cessna 207](https://openairdocs.org/model/cessna-207) (OpenAirDocs)
- Aircraft serial: 20700063
- Engine: Cont IO520F
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Ring
- Condition: Broken
- Location: Nr 2 Cylinder
- Part time: 598 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/95ZZZX4263

## Discrepancy

OIL ANALYSIS SHOWING ALUMINUM HIGH.  THEN IRON, NICKEL, CHROME.  COMPRESSION GOOD, UNTIL TIME ON ENGINE OVER 600 HOURS AND COMPRESSION DROPPED TO 60/80 ON NR 2 CYLINDER.  PULLED CYLINDER, FOUND BROKEN RING TOP COMPRESSION.

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