# SDR 2022FA0000604

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 13, 2022
- Submitted: October 13, 2022
- Operation: General aviation
- System (JASC): [7414 · Magneto/Distributor](https://openairdocs.org/jasc/7414)
- Part: Rivet
- Condition: Loose
- Location: Impulse Coupling
- Component: Magneto, Champion
- 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/2022FA0000604

## Discrepancy

THE IMPULSE COUPLING HAS LOOSE IVETS THAT ARE SAFELY OF FLIGHT CONCERN IF THE COME OUT DURING OPERATION. CHAMPION AEROSPACE HAS A SERVICE BULLETIN SB219A THAT LISTS AN INSPECTION PROCEDURE AND A SERIAL RANGE OF MAGNETOS TO LOOK FOR THAT MAY HAVE LOOSE IMPULSE COUPLING RIVETS. THIS MAGNETO IS OUTSIDE THE SERIAL RANGE NEEDS TO BE EXPANDED TO COVER A LARGER SERIAL RANGE OF MAGENTOS.

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