# SDR 95ZZZX4266

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 27, 1995
- Submitted: March 26, 2000
- Operation: General aviation
- Filed by: [Embry-Riddle Aeronautical University Inc, repair station NX42404M](https://openairdocs.org/faa-repair-station/NX42404M/embry-riddle-aeronautical-university-inc.md) (OpenAirDocs)
- Aircraft: N138ER
- Make and model: Socata TB9
- Registry model: [Socata TB9](https://openairdocs.org/model/socata-group-aerospatiale-tb9) (OpenAirDocs)
- Aircraft serial: 1528
- Engine: Lyc O320D2A
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Guide
- Part number: SL74230
- Condition: Cracked
- Location: Exhaust Valve
- 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/95ZZZX4266

## Discrepancy

DURING CYLINDER REPAIR, THE EXHAUST VALVE GUIDE WAS FOUND CRACKED AT BOTH THE TOP AND BOTTOM PORTIONS OF THE GUIDE.  THE CRACKS WERE NOT CONNECTED.

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