# SDR NACA20040059

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 9, 2004
- Submitted: November 10, 2004
- Operation: Air carrier
- Aircraft: N99330
- Make and model: Doug DC-6A
- Registry model: [Doug DC-6A](https://openairdocs.org/model/douglas-dc-6a) (OpenAirDocs)
- Aircraft serial: 43576
- Aircraft time: 30,682 hours
- Engine: Pwa R2800CB3
- Engine time: 961 hours
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Cylinder
- Condition: Cracked
- Location: Nr 9
- Part time: 961 hours
- Stage of operation: CL
- How discovered: O
- Nature of condition: R, J
- Precautionary procedure: E, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/NACA20040059

## Discrepancy

NR 2 ENGINE SHUT DOWN DUE TO NR 9 CYLINDER DOUBLE SHORTED SECONDARY.  INSPECTION OF NR 9 CYLINDER SHOWED CRACKED CYLINDER AND PLUGS OIL FOULED.  PROP WOULD NOT TURN AND SCAVENGE SCREENS SHOWED EVIDENCE OF METAL.  REPLACED NR 2 ENGINE.

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