# SDR 97ZZZX3519

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 24, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N4213X](https://openairdocs.org/aircraft/N4213X), registered now
- Make and model: Doug DC-6A
- Registry model: [Doug DC-6A](https://openairdocs.org/model/douglas-dc-6a) (OpenAirDocs)
- Aircraft serial: 44605
- Engine: Pwa CB3
- System (JASC): [7421 · Spark Plug/Igniter](https://openairdocs.org/jasc/7421)
- Part: Spark Plugs
- Part number: 283
- Condition: Shorted
- Location: Nr 3 Engine
- Stage of operation: CL
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97ZZZX3519

## Discrepancy

ANC - FLT 32 - RETURNED TO ANC DUE TO NR 3 ENGINE, NR 12 CYLINDER DOUBLE SHORTED SECONDARY.  MAINTENANCE REPLACED BOTH SPARK PLUGS AND HIGH TENSION LEADS.  AIRCRAFT RETURNED TO SERVICE.  (X)

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