# SDR 20010503CW013

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 3, 2001
- Submitted: May 3, 2001
- Operation: General aviation
- Aircraft: [N20421](https://openairdocs.org/aircraft/N20421), registered now
- Make and model: Cessna 172M
- Registry model: [Cessna 172M](https://openairdocs.org/model/cessna-172m) (OpenAirDocs)
- Aircraft serial: 17261276
- Engine: Lyc O320*
- System (JASC): [7414 · Magneto/Distributor](https://openairdocs.org/jasc/7414)
- Part: Magneto
- Part number: 4381
- Part serial: 99061075
- Condition: Inoperative
- Location: Left
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/20010503CW013

## Discrepancy

PLASTIC SUPPORT FOR POINTS BROKEN, AND POINTS FAILED,  FACTORY SEAL STILL ON MAGNETO.  PILOT REPORTED ENGINE RUNNING ROUGH.  MADE SAFE LANDING, CHECKED GOOD WITH REPLACEMENT MAGNETO.

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