# SDR 2011FA0000229

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 6, 2011
- Submitted: April 6, 2011
- Operation: Air carrier
- Aircraft: N769MS
- Make and model: Gulstm G150
- Aircraft serial: 252
- Aircraft time: 952 hours, 406 cycles
- Engine: Garrtt TFE73140
- Engine time: 952 hours, 406 cycles
- System (JASC): [2435 · Starter-Generator](https://openairdocs.org/jasc/2435)
- Part: Starter Gen
- Part number: 23065020
- Part serial: P1210
- Condition: Vibration
- Location: Zone 400
- Part time: 124 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: E
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2011FA0000229

## Discrepancy

STARTER GENERATOR DEVELOPED VIBRATIONS IN FLIGHT.  STARTER GEN CONTINUED TO WORK.  AFTER REMOVAL, AT FIRST LOOK IT SEEMED THAT BEARING HAD DETERIORATED.  MFG TOOK STARTER GENERATOR FOR TEARDOWN.

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