# SDR 2003FA0001239

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 5, 2003
- Submitted: December 12, 2003
- Operation: General aviation
- Aircraft: [N4922S](https://openairdocs.org/aircraft/N4922S), registered now
- Make and model: Cessna TR182
- Registry model: [Cessna TR182](https://openairdocs.org/model/cessna-tr182) (OpenAirDocs)
- Aircraft serial: R18201461
- Engine: Lyc O540L3C5
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Cooling Fins
- Part number: AEL65102NST44R
- Part serial: 02074327
- Condition: Blocked
- Location: Engine Cylinder
- Part time: 500 hours
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2003FA0001239

## Discrepancy

VISUAL INSPECTION REVEALED MAJORITY OF COOLING FINGS BETWEEN INTAKE AND EXHAUST PORTS BLOCKED.  VIRTUALLY NO AIR FLOW ALLOWED TO PASS BETWEEN ALL FINS ON ALL CYLINDERS.

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