# SDR 2006FA0000013

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 28, 2005
- Submitted: January 10, 2006
- Operation: General aviation
- Aircraft: [N739XK](https://openairdocs.org/aircraft/N739XK), registered now
- Make and model: Cessna 172N
- Registry model: [Cessna 172N](https://openairdocs.org/model/cessna-172n) (OpenAirDocs)
- Aircraft serial: 17270887
- Engine: Lyc O320*
- System (JASC): [7414 · Magneto/Distributor](https://openairdocs.org/jasc/7414)
- Part: Impulse Coupling
- Part number: M3163
- Condition: Loose
- Location: Magneto
- Component: Magneto, Slick
- Component part number: 4371
- 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/2006FA0000013

## Discrepancy

DURING 500 HOUR MAG AND IMPULSE COUPLING INSPECTION FOUND ONE IMPULSE COUPLING PAWL RETAINING RIVET VERY LOOSE IN IMPULSE HOUSING.  NO DAMAGE NOTED.  (K)

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