# SDR 2004FA0000167

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 22, 2003
- Submitted: February 9, 2004
- Operation: General aviation
- Aircraft: [N214FA](https://openairdocs.org/aircraft/N214FA), registered now
- Make and model: Cessna 182T
- Registry model: [Cessna 182T](https://openairdocs.org/model/cessna-182t) (OpenAirDocs)
- Aircraft serial: 18281214
- Engine: Lyc IO540AB1A5
- System (JASC): [7414 · Magneto/Distributor](https://openairdocs.org/jasc/7414)
- Part: Magneto
- Part number: 6351
- Part serial: 02081938
- Condition: Failed
- Location: Engine
- 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/2004FA0000167

## Discrepancy

IT APPEARS THAT THE IMPULSE COUPLING FAILED, THEREFORE SEIZING THE MAGNETO AND SHEARING GUIDE SHAFT OF RETAINER GEAR ASSEMBLY AND BREAKING APART (INTO PIECES) THE RETAINER ASSEMBLY, ITSELF.  SENDING PIECES OF METAL INTO THE ACCESSORY CASE AND POSSIBLY INTO THE ENGINE, THERE ARE MARKS/IMPRESSIONS IN THE BALL BEARING SUPPORT FROM INCIDENT.  REMOVED AND REPLACED RT ENGINE. (RT MAGNETO)

---
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.