# SDR FQAR20211027004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 27, 2021
- Submitted: October 27, 2021
- Operation: General aviation
- Filed by: [Bird Acquisition LLC., repair station FQAR173S](https://openairdocs.org/faa-repair-station/FQAR173S/bird-acquisition-llc.md) (OpenAirDocs)
- System (JASC): [7414 · Magneto/Distributor](https://openairdocs.org/jasc/7414)
- Part: Coil
- Part number: 0702444
- Condition: Failed
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FQAR20211027004

## Discrepancy

DURING A 500HR SERVIING OF A SLICK MAGNETO, THE COIL WAS REPLACED WITH A NEW COIL, WHILE THE MAG WAS BEING RUN ON THE TEST BENCH, IT STOPPED SPARKING AFTER 10 MINUTES, TROUBLESHOT THE MAG AND FOUND THE NEW COIL HAD FAILED.

---
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.