# SDR AUS20020766

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 17, 2002
- Submitted: August 7, 2002
- Operation: General aviation
- 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
- Propeller: Hartzl HCE3YR2
- System (JASC): [7421 · Spark Plug/Igniter](https://openairdocs.org/jasc/7421)
- Part: Spark Plug
- Part number: RHB37E
- Condition: Unserviceable
- Location: Spark Plug/Ignit
- Part time: 33 cycles
- Component: Spark Plug/Ignit, Champion, RHB37E
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AUS20020766

## Discrepancy

(AUS) LH ENGINE NO2 CYLINDER TOP SPARK PLUG DEFECTIVE. PLUG GAP WAS OUT OF ADJUSTMENT AND CERAMIC INSULATOR CRACKED.

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