# SDR 2002F00370

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 5, 2002
- Submitted: April 5, 2002
- Operation: Air carrier
- Aircraft: N9923S
- Make and model: Doug DC3C
- Registry model: [Doug DC3C](https://openairdocs.org/model/douglas-dc3c) (OpenAirDocs)
- Aircraft serial: 25964
- Engine: Pwa R183090D
- Engine time: 5,328 hours
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Cylinder
- Part number: 116731
- Condition: Separated
- Location: Lt Engine
- Stage of operation: CR
- How discovered: O
- Nature of condition: R
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2002F00370

## Discrepancy

AT CRUISE POWER, LEFT ENGINE DEVELOPED A (SHAKE). ENGINE WAS SHUT DOWN AND AIRCRAFT DIVERTED. FOUND NR 4 CYLINDER LIFTED FROM ITS BASE. THE CYLINDER BARREL FAILURE ALSO CAUSED THE NR4 LINK ROD TO FAIL.

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