# SDR DL764010021

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 2, 2001
- Submitted: January 12, 2001
- Operation: Air carrier
- Aircraft: [N830MH](https://openairdocs.org/aircraft/N830MH), registered now
- Make and model: Boeing 767432ER
- Aircraft serial: 29701
- Aircraft time: 558 hours, 352 cycles
- System (JASC): [2424 · AC Regulator](https://openairdocs.org/jasc/2424)
- Part: Gcu
- Condition: Failed
- Location: E/E Bay
- Component: Gcu, 766300E
- Stage of operation: CR
- How discovered: O
- Nature of condition: H
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DL764010021

## Discrepancy

RIGHT BUS OFF AT LEVEL OFF WITH CORRESPONDING LOSS OF A/C COMPONENTS.  BUS OFF REMAINED ILLUMINATED AFTER GEN RESET.  FOUND RT GCU FAULT ON BITE CHECK.  REMOVED AND REPLACED GCU.

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