# SDR CA030605007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 13, 2003
- Submitted: June 16, 2003
- Operation: General aviation
- Make and model: Doug R4D-8
- Registry model: [Doug R4D-8](https://openairdocs.org/model/douglas-r4d-8) (OpenAirDocs)
- Aircraft time: 27,558 hours
- Engine: Wright R182080
- Propeller: Hamstd 23E50
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Cylinder
- Part number: 893742C
- Condition: Perforated
- Location: Engine
- Stage of operation: TO
- How discovered: O
- Nature of condition: K
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA030605007

## Discrepancy

(CAN) AIRCRAFT NR 1 ENGINE RAN ROUGH ON TAKEOFF.   COME BACK TO BASE ON REDUCED POWER. DIFFERENTIAL COMPRESSION CHECK INDICATED (0) ON NR 4 CYLINDER.  FOUND ALUMINIUM IN OILFILTER.  SUSPECT PISTON FAILURE.  REMOVED ENGINE FOR OVERHAUL.

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