# SDR JRUR201303060011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 6, 2013
- Submitted: March 6, 2013
- Operation: General aviation
- Filed by: [State of Ohio, repair station JRUR354F](https://openairdocs.org/faa-repair-station/JRUR354F/state-of-ohio.md) (OpenAirDocs)
- Aircraft: [N17HP](https://openairdocs.org/aircraft/N17HP), registered now
- Make and model: Cessna 182T
- Registry model: [Cessna 182T](https://openairdocs.org/model/cessna-182t) (OpenAirDocs)
- Aircraft serial: 18281436
- Aircraft time: 3,836 hours
- Engine: Lyc IO540AB1A5
- Engine time: 1,832 hours
- Propeller: Mcauly B3D36C431
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Exhaust Valve
- Part number: LW19001
- Condition: Out Of Tolerance
- Location: Nr 6 Cylinder
- Part time: 1,832 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/JRUR201303060011

## Discrepancy

WHILE PERFORMING SB 388C, NR 6 CYLINDER EXHAUST VALVE TO GUIDE CLEARANCE WAS FOUND TO BE .010".  BELOW ACCEPTABLE MINIMUM TOLERANCE OF .015".  HAD 201 HOURS TIS SINCE SB 388C HAD PREVIOUSLY BEEN PERFORMED.   VALVE DRIVEN OUT TO REMOVE IT FOR REAMING OF THE GUIDE. AFTER REAMING THE NEW CLEARANCE WAS FOUND TO BE .022".

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