# SDR 2015FA0000509

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 10, 2015
- Submitted: October 27, 2015
- Operation: General aviation
- Aircraft: [N38719](https://openairdocs.org/aircraft/N38719), registered now
- Make and model: Piper J5A
- Registry model: [Piper J5A](https://openairdocs.org/model/piper-j5a) (OpenAirDocs)
- Aircraft serial: 51074
- Engine: Lyc O290D2
- System (JASC): [7414 · Magneto/Distributor](https://openairdocs.org/jasc/7414)
- Part: Switch
- Part number: 11869
- Condition: Shorted
- Location: Magneto
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2015FA0000509

## Discrepancy

ON GROUND RUN, AFTER INCIDENT, MAGNETO CHECKED NUMEROUS TIMES, NORMAL.  EVENTUALLY, IT FAILED.  RECHECKED NUMEROUS TIMES AND FOUND THAT SWITCH WAS GROUNDING INTERMITTENTLY.  REPLACE SWITCH ON TIMELY INTERVALS.

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