# SDR QMLA2011061711070

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 17, 2011
- Submitted: June 21, 2011
- Operation: Air carrier
- Aircraft: [N108LN](https://openairdocs.org/aircraft/N108LN), registered now
- Make and model: Snias AS350B3
- Aircraft serial: 3959
- Aircraft time: 3,406 hours, 8,373 cycles
- System (JASC): [2435 · Starter-Generator](https://openairdocs.org/jasc/2435)
- Part: Drive Shaft
- Condition: Sheared
- Location: Starter Gen
- Component: Starter Gen
- Component part number: 150SG122Q
- Stage of operation: NR
- How discovered: O
- Nature of condition: H
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QMLA2011061711070

## Discrepancy

THE PILOT REPORTED A GENERATOR LIGHT DURING ENGINE START.  HE ATTEMPTED TO RESET THE GENERATOR WITH NO SUCCESS.  DURING SUBSEQUENT TROUBLESHOOTING THE MECHANIC FOUND THE STARTER/GENERATOR DRIVESHAFT SHEARED.  THE STARTED/GENERATOR WAS REPLACED WITH A SERVICEABLE STARTER/GENERATOR.

---
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.
