# SDR 2019FA0000317

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 9, 2019
- Submitted: September 25, 2019
- Operation: General aviation
- Aircraft: [N65537](https://openairdocs.org/aircraft/N65537), registered now
- Engine: Lyc IO360L2A
- System (JASC): [7414 · Magneto/Distributor](https://openairdocs.org/jasc/7414)
- Part: P-Lead
- Condition: Loose
- Location: Magneto
- Component: Magneto, Slick
- Component part number: 4371
- Stage of operation: TO
- How discovered: O
- Nature of condition: R, E
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2019FA0000317

## Discrepancy

DURING TAKE OFF THE PILOT NOTICED REDUCED ENGINE POWER AND FELT ABNORMAL VIBRATION AND ENGINE SPUTTER. THE PILOT WAS ABLE TO RETURN TO THE AIRPORT AND MAKE A SAFE LANDING. UPON INSPECTION BY THE MECHANIC A FAILED #2 CYLINDER LOWER SPARK PLUG P/N REM38E WAS FOUND AND THE LEFT MAGNETO SLICK P/N 4371 S/N 13071175 P LEAD STUB WAS LOOSE AND WAS ABLE TO BE ROTATED. THE MAGNETO ONLY HAD 49 HOURS ON IT SINCE THE LAST 500 HOUR INSPECTION.

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