# SDR 97ZZZX977

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 20, 1997
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N677PC](https://openairdocs.org/aircraft/N677PC), registered now
- Make and model: Cessna P210N
- Registry model: [Cessna P210N](https://openairdocs.org/model/cessna-p210n) (OpenAirDocs)
- Aircraft serial: P21000677
- Engine: Cont TSIO520P
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Cylinder
- Condition: Worn
- Location: Engine
- Part time: 794 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/97ZZZX977

## Discrepancy

DURING 100 HOUR INSPECTION, COMPRESSION CHECK REVEALED ALL SIX CYLINDERS LOW AS FOLLOWS:  35/57/50/51/49/51.  CUSTOMER REPORTED USING 1 QUART PER HOUR PRIOR TO INSPECTION.  REGULAR SOAP AT 50-HOUR OIL CHANGE REVEALED NO MAJOR PROBLEMS.  TOTAL TIME 793.8 HOURS SINCE TCM.  ZERO TIME REBUILD.  SUBMITTER SUSPECTS OVERLEANING.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.