# SDR PLGA9610161

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 27, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N745BA](https://openairdocs.org/aircraft/N745BA), registered now
- Make and model: Saab SF340A
- Registry model: [Saab SF340A](https://openairdocs.org/model/saab-scania-sf340a) (OpenAirDocs)
- Aircraft serial: 340A111
- System (JASC): [6120 · Propeller Controlling System](https://openairdocs.org/jasc/6120)
- Part: Switch
- Condition: Out Of Position
- Location: Auto Coarsen
- Stage of operation: CL
- Nature of condition: X
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/PLGA9610161

## Discrepancy

MHT - FLT 4889 - AIRCRAFT DIVERTED TO MHT FOLLOWING SEVERAL POWER INTERRUPTIONS AND EVENTUAL FLAME OUT.  INVESTIGATION INTO THE INCIDENT FOUND THE CAUSE OF THE EVENT TO BE IMPROPER SELECTION OF THE AUTOCOARSEN SYSTEM SWITCH.  (M)

---
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.