# SDR NACA20040017

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 7, 2004
- Submitted: April 8, 2004
- Operation: Air carrier
- Aircraft: [N2907F](https://openairdocs.org/aircraft/N2907F), registered now
- Make and model: Doug DC-6
- Registry model: [Doug DC-6](https://openairdocs.org/model/douglas-dc-6) (OpenAirDocs)
- Aircraft serial: 533265
- Aircraft time: 35,716 hours
- Engine: Pwa R2800CB3
- Engine time: 1,809 hours
- System (JASC): [7421 · Spark Plug/Igniter](https://openairdocs.org/jasc/7421)
- Part: Spark Plug
- Part number: RHB32E
- Condition: Cracked
- Location: Nr 2 Cylinder
- Stage of operation: CR
- How discovered: O
- Nature of condition: R, J
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/NACA20040017

## Discrepancy

NR 2 ENGINE SHUT DOWN DUE TO LOW COMPRESSION INDICATION ON NR 2 CYLINDER.  REPLACED BOTH SPARK PLUGS ON NR 2 CYLINDER DUE TO CRACKED CERAMICS.  CHECKED GOOD.

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