# SDR 2000ZZZX831

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 26, 2000
- Submitted: April 13, 2000
- Operation: General aviation
- Aircraft: [N123TM](https://openairdocs.org/aircraft/N123TM), registered now
- Make and model: Cessna U206F
- Registry model: [Cessna U206F](https://openairdocs.org/model/cessna-u206f) (OpenAirDocs)
- Aircraft serial: U20601768
- Engine: Cont IO520F
- System (JASC): [7414 · Magneto/Distributor](https://openairdocs.org/jasc/7414)
- Part: Impulse Coupling
- Part number: M3050
- Condition: Failed
- Location: Magneto
- Component: Slick, 6310
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2000ZZZX831

## Discrepancy

THE IMPULSE COUPLING ENGAGES ONLY 1 OUT OF 5 TIMES WHEN PROPELLER IS TURNED BY HAND.  THE SPRING WHICH HOLDS THE PAWL OUT TO ENGAGE IMPULSE COUPLING HAS NOT BROKEN BUT HAS TOTALY LOST ITS SPRING EFFECT.

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