# SDR YWYR201209157863

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 4, 2010
- Submitted: September 15, 2012
- Operation: General aviation
- Aircraft: [N400KH](https://openairdocs.org/aircraft/N400KH), registered now
- Make and model: Columb LC41550FG400
- Aircraft serial: 41598
- Aircraft time: 349 hours
- Engine: Cont TSIO550C
- System (JASC): [7421 · Spark Plug/Igniter](https://openairdocs.org/jasc/7421)
- Part: Spark Plug
- Part number: RHB32E
- Condition: Cracked
- Location: Engine
- Part time: 349 hours
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YWYR201209157863

## Discrepancy

DURING ANNUAL INSPECTION, TWO OF THE TWELVE ENGINE SPARK PLUGS WERE FOUND TO HAVE CRACKED ELECTRODE INSULATORS.

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