# SDR BSYA2011036

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 6, 2011
- Submitted: January 4, 2012
- Operation: Air carrier
- Aircraft: [N9539F](https://openairdocs.org/aircraft/N9539F), registered now
- Make and model: Cessna 208
- Registry model: [Cessna 208](https://openairdocs.org/model/cessna-208) (OpenAirDocs)
- Aircraft serial: C20800092
- Aircraft time: 16,254 hours, 18,797 cycles
- System (JASC): [2424 · AC Regulator](https://openairdocs.org/jasc/2424)
- Part: Regulator
- Part number: VR580
- Condition: Failed
- Location: Electrical Sys
- Stage of operation: CL
- How discovered: O
- Nature of condition: G, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/BSYA2011036

## Discrepancy

AFTER DEPARTING BHM THE PILOT'S TURN-COORDINATOR FAILED AND THE STBY ALTERNATOR FAIL LIGHT CAME ON, DIVERTED BACK TO BHM.  REMOVED AND REPLACED BOTH TURN-COORDINATOR AND STBY VOLT REGULATOR.  OPS CHECKED GOOD.  STBY ALT REG.

---
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.