# SDR FTU2003F00008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 24, 2003
- Submitted: May 7, 2003
- Operation: Air carrier
- Aircraft: [N951LH](https://openairdocs.org/aircraft/N951LH), registered now
- Make and model: Beech A36
- Registry model: [Beech A36](https://openairdocs.org/model/beech-a36) (OpenAirDocs)
- Aircraft serial: E2300
- Engine: Cont IO520B
- System (JASC): [7414 · Magneto/Distributor](https://openairdocs.org/jasc/7414)
- Part: Spring
- Part number: 1051324
- Condition: Broken
- Location: Impulse Coupling
- Part time: 884 hours
- Component: Impulse Couplin
- Component part number: 10349367
- 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/FTU2003F00008

## Discrepancy

CUSTOMER WAS COMPLAINING OF A ROUGH RUNNING ENGINE DUE TO A BAD LEFT MAGNETO, REMOVED MAGNETO AND FOUND THE IMPULSE COUPLING SPRING WAS BROKEN.  COUPLING SPRING REPLACED WITH A NEW PART, REINSTALLED MAGNETO AND TIMED TO ENGINE.  GROUND RAN ENGINES AND NO FURTHER PROBLEM FOUND.

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