# SDR ALG2002F00005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 22, 2001
- Submitted: January 17, 2002
- Operation: Air carrier
- Aircraft: [N917QS](https://openairdocs.org/aircraft/N917QS), registered now
- Make and model: Skrsky S76A
- Aircraft serial: 760217
- Engine: Allsn 250C30S
- System (JASC): [2435 · Starter-Generator](https://openairdocs.org/jasc/2435)
- Part: Brushes
- Part number: 303001383
- Condition: Disintegrated
- Location: Starter Gen
- Part time: 249 hours
- Component: Starter Gen
- Component part number: 23081002
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ALG2002F00005

## Discrepancy

PILOT WRITE UP AT END OF DAY.  WHEN START BUTTON IS DEPRESSED (NR 2 ENGINE) STARTER CHATTERS AND HAS GRINDING NOISE.  WHEN RELEASED AND DEPRESSED AGAIN, A FAIRLY NORMAL START IS ACHIEVED.  UPON INSPECTION OF STARTER GENERATOR, BRUSHES FOUND TO BE DISINTEGRATED.  ARMATURE ALSO DAMAGED DUE TO FAILED BRUSHES.

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