# SDR 97ZZZX1838

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 1, 1997
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N72291](https://openairdocs.org/aircraft/N72291), registered now
- Make and model: Beech A36
- Registry model: [Beech A36](https://openairdocs.org/model/beech-a36) (OpenAirDocs)
- Aircraft serial: E2247
- Engine: Cont IO550B
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Cylinder
- Condition: Excess Worn
- Location: All Cyls
- Part time: 850 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/97ZZZX1838

## Discrepancy

REMOVED ALL CYLINDERS FROM AN 850-HOUR FACTORY REMANUFACTURED (ZERO TIME) ENGINE DUE TO LOW COMPRESSION.  FOUND ALL CYLINDERS WORN .009 INCH - .011 INCH OVER NEW SPECS.  OPERATOR KEEPS OIL SAMPLES WITH NO INDICATIONS.  NORMAL OIL CHANGES AND GOOD PILOT OPERATION.

---
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.
