# SDR KC2R2015020549737

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 27, 2015
- Submitted: February 5, 2015
- Operation: General aviation
- System (JASC): [7414 · Magneto/Distributor](https://openairdocs.org/jasc/7414)
- Part: Impulse Coupling
- Part number: M3163
- Condition: Cracked
- Location: Magneto
- Part time: 1,000 hours
- Component: Magneto, Slick, 4371
- Component part number: 4371
- Stage of operation: IN
- How discovered: M
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/KC2R2015020549737

## Discrepancy

IMPULSE COUPLING FOUND TO BE CRACKED AT FLYWEIGHT AXLE LOCATIONS OF BASE PLATE. DEFECT WAS DISCOVERED USING MAGNETIC PARTICLE INSPECTION OF PART DURING PERFORMANCE OF MANUFACTURERS RECOMMENDED -500 HOUR INSPECTION.  IMPULSE REPLACED.

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