# SDR 2007FA0000461

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 9, 2007
- Submitted: May 30, 2007
- Operation: General aviation
- Aircraft: [N7293R](https://openairdocs.org/aircraft/N7293R), registered now
- Make and model: Beech 58
- Registry model: [Beech 58](https://openairdocs.org/model/beech-58) (OpenAirDocs)
- Aircraft serial: TH590
- Engine: Cont IO550C
- System (JASC): [7414 · Magneto/Distributor](https://openairdocs.org/jasc/7414)
- Part: Spring
- Part number: 1051324
- Condition: Broken
- Location: Magneto
- Part time: 827 hours
- Component: Magneto, Cont
- Component part number: BL3493504
- 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/2007FA0000461

## Discrepancy

WHILE TROUBLESHOOTING ENGINE RUNS ROUGH AND WON’T RUN AT ALL OVER 1200 RPM.  WE DISCOVERED THE IMPULSE COUPLING SPRINGS ON BOTH MAGS WERE BROKEN.  (IMPULSE COUPLING , PN 10-400309)  (K)

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