# SDR CA040416003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 16, 2004
- Submitted: July 22, 2004
- Operation: General aviation
- Make and model: Doug C-54A
- Registry model: [Doug C-54A](https://openairdocs.org/model/douglas-c-54a) (OpenAirDocs)
- Aircraft time: 68,000 hours
- Engine: Pwa R20007M2
- Propeller: Hamstd 23E50
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Cylinder Head
- Part number: 153072
- Condition: Separated
- Location: Engine
- Stage of operation: CR
- How discovered: O
- Nature of condition: E
- Precautionary procedure: E, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA040416003

## Discrepancy

(CAN) DURING CRUISE, THE CREW NOTICE A SLIGHT VIBRATION TO THE NR 1 ENGINE, THEY ALSO NOTICED AN OIL LEAK. THE ENGINE WAS SHUT DOWN AND PROPELLER FEATHERED.  DURING INSPECTION IT WAS NOTICED THAT THE NR 9 CYLINDER HEAD WAS SEPARATING FROM THE BARREL, THE ENGINE WILL BE REPLACED FOR COMPANY CONVIENCE.

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