# SDR JRUR202003120007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 12, 2020
- Submitted: March 12, 2020
- Operation: General aviation
- Filed by: [State of Ohio, repair station JRUR354F](https://openairdocs.org/faa-repair-station/JRUR354F/state-of-ohio.md) (OpenAirDocs)
- Aircraft: [N490NR](https://openairdocs.org/aircraft/N490NR), registered now
- Make and model: Parten P.68C
- Registry model: [Parten P.68C](https://openairdocs.org/model/partenavia-p-68c) (OpenAirDocs)
- Aircraft serial: 281
- Aircraft time: 11,522 hours
- Engine: Lyc IO360A1B6
- Engine time: 7,211 hours
- System (JASC): [7414 · Magneto/Distributor](https://openairdocs.org/jasc/7414)
- Part: Magneto
- Part number: 4372
- Part serial: 17090482
- Condition: Unserviceable
- Location: Engine
- Part time: 319 hours
- Component: Engine, Lyc, IO360A1B6
- Component part number: HENPLRT8622
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/JRUR202003120007

## Discrepancy

SLICK BY CHAMPION SB2-19A
MANDATORY INSPECTION OF IMPULSE COUPLING.
THE SB HAS YOU INSPECT THE IMPULSE COUPLING PER THE MAINTENANCE MANUAL. IF ANY MOVEMENT IS FOUND IN THE RIVETS, THE IMPULSE COUPLING MUST BE REJECTED.
LEFT ENGINE RH POSITION S/N 17090482 MAGNETO INSTALLED WITH TSN 0.0 AT AN AIRCRAFT TOTAL TIME 11522.3 AND ENGINE TSN/TSO 7211.1/319.1
INSPECTED MAGNETO MODEL NO. 4372 S/N: 17090482 TSN: 319.1 INSTALLED IN THE LEFT ENGINE RH POSITION AND FOUND BOTH RIVETS LOOSE. THIS IMPULSE COUPLING FAILED THE INSPECTION AND IS NO LONGER SERVICEABLE.

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