# SDR NACA20030129

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 28, 2003
- Submitted: December 31, 2003
- Operation: Air carrier
- Aircraft: [N43872](https://openairdocs.org/aircraft/N43872), registered now
- Make and model: Doug DC-6
- Registry model: [Doug DC-6](https://openairdocs.org/model/douglas-dc-6) (OpenAirDocs)
- Aircraft serial: 533294
- Aircraft time: 35,202 hours
- Engine: Pwa R2800CB3
- Engine time: 2,045 hours
- System (JASC): [7421 · Spark Plug/Igniter](https://openairdocs.org/jasc/7421)
- Part: Spark Plug
- Condition: Fouled
- Location: Nr 16 Cylinder
- Part time: 203 hours
- Component: Cylinder, Pwa
- Component part number: 356993
- Stage of operation: CL
- How discovered: O
- Nature of condition: R
- Precautionary procedure: E, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/NACA20030129

## Discrepancy

DISCREPANCY: NR 3 ENGINE SHUT DOWN DUE TO NR 16 CYLINDER DOUBLE SHORTED SECONDARY.  CA: REPLACED NR 3 ENGINE, NR 16 CYLINDER FRONT AND REAR SPARK PLUGS.  CHECKED GOOD.

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