# SDR 2006FA0000029

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 6, 2005
- Submitted: January 12, 2006
- Operation: General aviation
- Aircraft: [N421CQ](https://openairdocs.org/aircraft/N421CQ), registered now
- Make and model: Cessna 421C
- Registry model: [Cessna 421C](https://openairdocs.org/model/cessna-421c) (OpenAirDocs)
- Aircraft serial: 421C1218
- Engine: Cont GTSIO520*
- System (JASC): [7414 · Magneto/Distributor](https://openairdocs.org/jasc/7414)
- Part: Distributor Gear
- Condition: Stripped
- Location: Lt Magneto
- Component: Magneto
- Component part number: S6LN1251
- Stage of operation: UK
- How discovered: C
- Nature of condition: E
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2006FA0000029

## Discrepancy

PILOT REPORTED LT ENGINE RUNNING ROUGH.  TROUBLESHOT PROBLEM TO LT MAGNETO.  FOUND TEETH ON DISTRIBUTOR GEAR IN LT MAGNETO STRIPPED AND NOT TURNING PROPERLY.  (GL25200605792) (K)

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