# SDR FQAR20210303001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 2, 2021
- Submitted: March 3, 2021
- Operation: General aviation
- Filed by: [Bird Acquisition LLC., repair station FQAR173S](https://openairdocs.org/faa-repair-station/FQAR173S/bird-acquisition-llc.md) (OpenAirDocs)
- Make and model: Piper PA-44-180
- Registry model: [Piper PA-44-180](https://openairdocs.org/model/piper-pa-44-180) (OpenAirDocs)
- System (JASC): [7414 · Magneto/Distributor](https://openairdocs.org/jasc/7414)
- Part: Spring
- Part number: M1917
- Condition: Broken
- Location: Impulse Coupling
- Component: Impulse Couplin, Slick
- Component part number: M3529
- 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/FQAR20210303001

## Discrepancy

AIRCRAFT HAD ROUGH MAG, UPON REMOVAL NOTICED IMPULSE COUPLING WAS NOT ENGAGING, FOUND SPRING BROKEN, MAG HAD BEEN INSPECTED FOR 500HR INSPECTION 37.2 HRS EARLIER

---
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.