# SDR JRUR2020032560002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 25, 2020
- Submitted: March 25, 2020
- Operation: General aviation
- Aircraft: [N17HP](https://openairdocs.org/aircraft/N17HP), registered now
- Make and model: Cessna 182T
- Registry model: [Cessna 182T](https://openairdocs.org/model/cessna-182t) (OpenAirDocs)
- Aircraft serial: 18281436
- Aircraft time: 6,303 hours
- Engine: Lyc IO540AB1A5
- Engine time: 2,503 hours
- System (JASC): [7414 · Magneto/Distributor](https://openairdocs.org/jasc/7414)
- Part: Magneto
- Part number: 6351
- Part serial: 18030480
- Condition: Unserviceable
- Location: Engine
- Part time: 305 hours
- Component: Engine, Lyc, IO540AB1A5
- Component part number: HENPLRT10221
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/JRUR2020032560002

## 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.
INSPECTED MAGNETO MODEL NO. 6351 P/N: 66LC35SDNN S/N: 18030480 TSN: 305.0 INSTALLED IN THE RH POSITION AND FOUND 1 RIVET OF THE TWO WITH MOVEMENT. THIS IMPULSE COUPLING FAILED THE INSPECTION AND IS NO LONGER SERVICEABLE.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
