# SDR 2010FA0000455

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 10, 2010
- Submitted: May 10, 2010
- Operation: General aviation
- Aircraft: [N700HG](https://openairdocs.org/aircraft/N700HG), registered now
- Make and model: Cirrus SR22
- Registry model: [Cirrus SR22](https://openairdocs.org/model/cirrus-design-sr22) (OpenAirDocs)
- Aircraft serial: 1506
- Aircraft time: 400 hours
- Engine: Cont IO550N
- Engine time: 400 hours
- System (JASC): [7421 · Spark Plug/Igniter](https://openairdocs.org/jasc/7421)
- Part: Spark Plug
- Part number: RHB32S
- Part serial: BATCH2D05
- Condition: Cracked
- Location: Engine
- Part time: 400 hours
- Stage of operation: UK
- How discovered: O
- Nature of condition: R
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2010FA0000455

## Discrepancy

CHAMPION SPARK PLUG, PART NUMBER RHB32S, BATCH 2D05  FIVE (5) SPARK PLUGS WITH CRACKS.  400 HOURS OF OPERATING TIME ON THE SPARK PLUGS.  THE CENTER ELECTRODE ON 2 SPARK PLUGS DEVELOPED CRACKS ON THE TIPS.  THE WIRE ELECTRODE ON 2 OTHER SPARK PLUGS DEVELOPED A CRACK GOING LENGTHWISE ALONG THE WIRE.  ONE SPARK PLUG HAD CRACKS ON BOTH, THE CENTER ELECTRODE AND WIRE.

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