# SDR 2013FA0000722

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 12, 2013
- Submitted: December 12, 2013
- Operation: General aviation
- Aircraft: N514H
- Make and model: Cessna 182T
- Registry model: [Cessna 182T](https://openairdocs.org/model/cessna-182t) (OpenAirDocs)
- Aircraft serial: 18281651
- Aircraft time: 3,683 hours
- Engine: Lyc IO540AB1A5
- Engine time: 1,685 hours
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Guide
- Part number: 74230
- Condition: Out Of Tolerance
- Location: Cylinder
- Part time: 1,685 hours
- Component: Cylinder, Lyc
- Component part number: LW13870
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2013FA0000722

## Discrepancy

DURING THE PERFORMANCE OF SB 388C,  THE EXHAUST VALVE GUIDE CLEARANCE ON NR 4 CYLINDER WAS FOUND TO BE .030".  THIS IS THE MAXIMUM CLEARANCE ALLOWED.

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