# SDR CA990125009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 18, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Make and model: Pilats PC12
- System (JASC): [2435 · Starter-Generator](https://openairdocs.org/jasc/2435)
- Part: Generator
- Part number: 23085014
- Condition: Failed
- Location: Start/Generator
- Part time: 131 hours
- Stage of operation: CR
- Nature of condition: H
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA990125009

## Discrepancy

(CAN) AT CRUISE ALTITUDE, NR 1 STARTER/GENERATOR VOLTMETER INDICATED ERRATIC INDICATIONS THEN WENT TO ZERO.  GENERATOR SELECTED OFF.  ON RETURN LEG, GENERATOR FAILED.  COMMUTATOR SEGMENT FOUND BROKEN OFF AND HAD DESTROYED ALL BRUSH ASSEMBLIES.

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