# SDR 99ZZZX279

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 4, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N69457](https://openairdocs.org/aircraft/N69457), registered now
- Make and model: Cessna 340CESSNA
- Aircraft serial: 3400309
- Engine: Cont TSIO520N
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Cylinder
- Part number: 25485
- Condition: Cracked
- Location: Rt Engine
- Stage of operation: NR
- Nature of condition: E
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99ZZZX279

## Discrepancy

DURING FLIGHT, A VIBRATION WAS NOTED.  THE PLANE LANDED.  THE RIGHT ENGINE SHOWED ZERO COMPRESSION ON NR 4 CYLINDER.  AFTER REMOVING CYLINDER, FOUND CRACK FROM EXHAUST TO SPARK PLUG.

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