# SDR 98ZZZX4468

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 27, 1995
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N954CC](https://openairdocs.org/aircraft/N954CC), registered now
- Make and model: Cessna 182Q
- Registry model: [Cessna 182Q](https://openairdocs.org/model/cessna-182q) (OpenAirDocs)
- Aircraft serial: 18265290
- Engine: Cont O470U
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Intake Valve
- Part number: 646283
- Condition: Mismanufactured
- Location: Engine
- Part time: 100 hours
- Stage of operation: IN
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/98ZZZX4468

## Discrepancy

DURING A ROUTINE COMPRESSION CHECK, THE INTAKE VALVE WAS FOUND LEAKING ON THE NR 4 CYLINDER.  THE CYLINDER WAS REMOVED AND THE INTAKE VALVE AND SEAT WERE REGROUND TO FIT EACH OTHER.  SUBMITTER SUGGESTED POSSIBLE CAUSE AS IMPROPER ASSEMBLY PROCESS AT THE FACTORY.

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