# SDR C2XA10CL127

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 7, 2010
- Submitted: August 9, 2010
- Operation: Air carrier
- Aircraft: [N14173](https://openairdocs.org/aircraft/N14173), registered now
- Make and model: Emb EMB-145XR
- Registry model: [EMB EMB-145XR](https://openairdocs.org/model/embraer-emb-145xr) (OpenAirDocs)
- Aircraft serial: 1450872
- Aircraft time: 21,663 hours, 16,177 cycles
- System (JASC): [2424 · AC Regulator](https://openairdocs.org/jasc/2424)
- Part: Gcu
- Part number: 51525014A
- Part serial: 99127
- Condition: Faulty
- Location: Cockpit
- Part time: 21,663 hours, 16,177 cycles
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/C2XA10CL127

## Discrepancy

CLE FLT 5839 THE CREW REPORTED AN APU GENERATOR OFF BUS MESSAGE ON TAKEOFF.  MAINTENANCE REPLACED THE APU GENERATOR CONTROL UNIT.  OPERATIONAL CHECKS WERE GOOD.

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