# SDR 98ZZZX2160

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 16, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Filed by: [KCI Enterprises Inc, repair station LJQR100G](https://openairdocs.org/faa-repair-station/LJQR100G/kci-enterprises-inc.md) (OpenAirDocs)
- Aircraft: N757RM
- Make and model: Cessna 152
- Registry model: [Cessna 152](https://openairdocs.org/model/cessna-152) (OpenAirDocs)
- Aircraft serial: 15279944
- Engine: Lyc O235L2C
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Valve Keeper
- Part number: 60009
- Condition: Worn
- Location: Nr 4 Cylinder
- Component: LW11633
- 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/98ZZZX2160

## Discrepancy

VALVE KEEPERS WORN, BUT STILL INSTALLED.  LET VALVE ASSY MOVE DOWN IN KEEPER ASSY.  VALVE WOULD NOT COMPLETELY CLOSE.  NO DAMAGE TO CYLINDER OR PISTON.

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