# SDR NACA20020041

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 31, 2002
- Submitted: September 3, 2002
- 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: 33,697 hours
- Engine: Pwa R2800*
- Engine time: 540 hours
- System (JASC): [7420 · Ignition Harness (Distribution)](https://openairdocs.org/jasc/7420)
- Part: Ignition Lead
- Condition: Shorted
- Location: Nr 3 Engine
- Part time: 540 hours
- Stage of operation: CR
- 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/NACA20020041

## Discrepancy

PRECAUTIONARY SHUTDOWN THE NR 3 ENGINE DUE TO DOUBLE SHORTED SECONDARY ON THE NR 10 CYLINDER.  REPLACED SPARK PLUGS, Y-LEAD, SHORT LEADS, AND COIL.

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