# SDR H1ES2016FA0000127

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 10, 2016
- Submitted: March 10, 2016
- Operation: General aviation
- Aircraft: [N3021C](https://openairdocs.org/aircraft/N3021C), registered now
- Make and model: Piper PA-28-161
- Registry model: [Piper PA-28-161](https://openairdocs.org/model/piper-pa-28-161) (OpenAirDocs)
- Aircraft serial: 287916137
- Aircraft time: 3,619 hours
- Engine: Lyc O320D3G
- Engine time: 1,276 hours
- Propeller: Snsnch 74DM
- System (JASC): [7414 · Magneto/Distributor](https://openairdocs.org/jasc/7414)
- Part: Rotor
- Part number: M3548
- Condition: Broken
- Location: Magneto
- Part time: 1,276 hours
- Component: Magneto, Slick
- Component part number: 4370
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/H1ES2016FA0000127

## Discrepancy

I WAS HAVING DIFFICULTY TIMING THE RT MAGNETO.  REMOVED IT, REMOVED DISTRIBUTOR BLOCK AND GEAR.  NOTICED THE ROTOR GEAR WAS LOOSE. I PULLED ON IT AND IT CAME RIGHT OFF WITH PART OF THE ROTOR CAM HOLDER WITH IT.  IT WAS CLEARLY BROKEN PRIOR TO REMOVING THE GEAR.

---
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.