# SDR FDEA201911082913

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 8, 2019
- Submitted: November 15, 2019
- Operation: Air carrier
- Aircraft: [N174FE](https://openairdocs.org/aircraft/N174FE), registered now
- Make and model: Boeing 767-3S2F
- Registry model: [Boeing 767-3S2F](https://openairdocs.org/model/boeing-767-3s2f) (OpenAirDocs)
- Aircraft serial: 63105
- Aircraft time: 894 hours, 434 cycles
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Gcu
- Part number: 734284F
- Part serial: AABA007017
- Condition: Failed
- Location: Left
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA201911082913

## Discrepancy

AFTER BLOCK IN AND POWER TRANSFER TO GPU NOTICED  BURNING ELECTRICAL SMELL. EICAS MESSAGE "L BUS  ISOLATED". CIRCUIT BREAKER "BAT 1 R SIDE PNL" IS  OUT.   REMOVED AND REPLACED LEFT GENERATOR CONTROL UNIT  IAW AMM 24-22-02-4. OPS CHECK   GOOD. REF WRI  24-00/0476 FOR ELECTRICAL POWER PANEL REPLACEMENT.

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