# SDR Z9B2003F00002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 17, 2002
- Submitted: February 21, 2003
- Operation: Air carrier
- Aircraft: [N131AE](https://openairdocs.org/aircraft/N131AE), registered now
- Make and model: Bolkms BO105S
- Aircraft serial: S787
- Engine: Allsn 250C20
- System (JASC): [2435 · Starter-Generator](https://openairdocs.org/jasc/2435)
- Part: Brushes
- Condition: Worn
- Location: Starter Gen
- Component: Starter Gen
- Component part number: 23032048
- 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/Z9B2003F00002

## Discrepancy

STARTER GEN, AT 100 HOUR INSPECTION FOUND COMMUTATOR WORN DOWN TO UNDERCUT, BRUSHES STILL SERVICEABLE.  MAY NOT HAVE BEEN PROPERLY UNDERCUT AT LAST OVERHAUL.

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