# SDR 2011F00144

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 11, 2011
- Submitted: July 11, 2011
- Operation: Air carrier
- Aircraft: N899DD
- Make and model: Beech 58
- Registry model: [Beech 58](https://openairdocs.org/model/beech-58) (OpenAirDocs)
- Aircraft serial: TH899
- Aircraft time: 9,187 hours
- Engine: Cont IO520C
- Engine time: 1,376 hours
- Propeller: Hartzl PHCJ3YF2
- System (JASC): [7414 · Magneto/Distributor](https://openairdocs.org/jasc/7414)
- Part: Impulse Coupling
- Part number: M3050
- Condition: Separated
- Location: Magneto
- Part time: 1,376 hours
- Component: Magento, Slick, 6310
- Component part number: 653267
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2011F00144

## Discrepancy

IMPULSE COUPLING CAME APART AND FRACTURED THE MAG HOUSING.

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