# SDR CA040427008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 7, 2004
- Submitted: June 4, 2004
- Operation: General aviation
- Make and model: Cessna 152
- Registry model: [Cessna 152](https://openairdocs.org/model/cessna-152) (OpenAirDocs)
- Aircraft time: 9,723 hours
- Engine: Lyc O235L2C
- Propeller: Mcauly 1A103TCM
- System (JASC): [7421 · Spark Plug/Igniter](https://openairdocs.org/jasc/7421)
- Part: Spark Plug
- Part number: REM37BY
- Condition: Contaminated
- Location: Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: R, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA040427008

## Discrepancy

(CAN) DURING TAKEOFF, PILOT NOTICED ROUGH RUNNING ENGINE AND POWER LOSS. THREE OF THE FOUR LOWER SPARK PLUGS WHERE LEAD CONTAMINATED.   NR 2 SPARK PLUG ELECTRODES WERE (WELDED) OVER WITH LEAD.

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