# SDR 2019FA0000170

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 3, 2019
- Submitted: June 3, 2019
- Operation: General aviation
- Aircraft: [N1138J](https://openairdocs.org/aircraft/N1138J), registered now
- Engine: Lyc IO360A1A
- Engine time: 601 hours
- System (JASC): [7414 · Magneto/Distributor](https://openairdocs.org/jasc/7414)
- Part: Magneto
- Part number: 4345
- Part serial: 09060211
- Condition: Arced
- Location: Left
- Part time: 601 hours
- Component: Magneto, Slick, 4345
- Component part number: MODEL4345
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2019FA0000170

## Discrepancy

HIGH EGT DUE TO LEFT MAGNETO FAILURE. TROUBLESHOOTING REVEALED DISTRIBUTOR GEAR COPPER ELECTRODE HAD FAILED. AFFECTED PART K3008 IDENTIFIED IN SLICK SERVICE BULLETIN SB1-15A. HAD ALSO ARCED ACROSS DISTRIBUTOR BLOCK, SHORTING TO TERMINAL #1.

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