# SDR 95ZZZX6611

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 16, 1995
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N36CL](https://openairdocs.org/aircraft/N36CL), registered now
- Make and model: Beech A36
- Registry model: [Beech A36](https://openairdocs.org/model/beech-a36) (OpenAirDocs)
- Aircraft serial: E1980
- Engine: Cont IO550B
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Valve
- Condition: Burned
- Location: Nr 6 Cylinder
- Part time: 740 hours
- Stage of operation: CR
- Nature of condition: E, R, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/95ZZZX6611

## Discrepancy

PILOT REPORTED LOSS OF RPM, ENGINE ROUGHNESS IN CRUISE FLIGHT, CONFIRMED BY EXTREMELY HOT INDICATION ON AIRCRAFT EGT SCANNER.  NR 6 CYLINDER POSITION, FOUND NR 6 CYLINDER EXHAUST VALVE BURNED THROUGH, SEAT DETERIORATED BEYOND LIMITS.  REMOVED NR 4 CYLINDER TO FACILITATE REMOVAL OF NR 6 CYLINDER.  FOUND EXHAUST GUIDE WORN BEYOND LIMITS ON NR 4 CYLINDER.  INSTALLED NEW FACTORY SUPPLIED CYLINDER NR 6 POSITION AND REWORKED AND INSTALLED NEW GUIDE NR 4 CYLINDER.  ENGINE TEST RUN AND FLOWN.

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