# SDR 97ZZZX209

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 16, 1996
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: N8666F
- Make and model: Hughes 269C
- Registry model: [Hughes 269C](https://openairdocs.org/model/hughes-269c) (OpenAirDocs)
- Aircraft serial: 970634
- Engine: Lyc HIO360D1A
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Guide
- Part number: 05K21124
- Condition: Worn
- Location: Nr 3 Cyl Exh
- Part time: 174 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/97ZZZX209

## Discrepancy

FOUND LOW COMPRESSION (30/80) DURING NORMAL MAINT INSPECTION.  REMOVED CYL AND FOUND .009 INCH WEAR AT PORT END OF EX GUIDE AND .002 INCH WEAR ON VALVE STEM.  THIS WAS A LYCOMING FACTORY NEW CYL KIT INSTALLED DURING RECENT MAJOR OVERHAUL.

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