# SDR CA970604003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 20, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Make and model: Piper PA-31-350
- Registry model: [Piper PA-31-350](https://openairdocs.org/model/piper-pa-31-350) (OpenAirDocs)
- Engine: Lyc TIO540J2BD
- System (JASC): [7421 · Spark Plug/Igniter](https://openairdocs.org/jasc/7421)
- Part: Spark Plug
- Part number: EP1200
- Condition: Broken
- Location: #6 Cylinder
- Part time: 963 hours
- Stage of operation: CR
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA970604003

## Discrepancy

(CAN) TWO HOURS FLIGHT TIME AFTER INSPECTION THE PORCELAIN PORTION OF THE SPARK PLUG, ON #6 CYLINDER BLEW COMPLETELY OUT. INTERNAL INSPECTION OF THE CYLINDER SHOWED NO DAMAGE. THE SPARK PLUG WAS REPLACED AND THE AIRCRAFT RETURNED TO SERVICE.

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