# SDR 2021FA0000264

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 1, 2021
- Submitted: September 23, 2021
- Operation: General aviation
- Aircraft: [N349ME](https://openairdocs.org/aircraft/N349ME), registered now
- Make and model: Cessna 172S
- Registry model: [Cessna 172S](https://openairdocs.org/model/cessna-172s) (OpenAirDocs)
- Aircraft serial: 172S8584
- Aircraft time: 7,431 hours
- Engine: Lyc IO360L2A
- Engine time: 3,490 hours
- System (JASC): [7414 · Magneto/Distributor](https://openairdocs.org/jasc/7414)
- Part: Impulse Coupling
- Part number: M3163
- Condition: Loose
- Component: Magneto, Slick
- Component part number: 4371
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2021FA0000264

## Discrepancy

WHILE PERFORMING A 500 HOUR INSPECTION ON A SLICK 4371 MAGNETO S/N 18010243 I DISCOVERED A LOOSE IMPULSE COUPLING FLYWEIGHT POST.

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