# SDR SWIA201230950

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 8, 2012
- Submitted: June 13, 2012
- Operation: Air carrier
- Aircraft: [N585SW](https://openairdocs.org/aircraft/N585SW), registered now
- Make and model: Emb EMB-120ER
- Registry model: [EMB EMB-120ER](https://openairdocs.org/model/embraer-emb-120er) (OpenAirDocs)
- Aircraft serial: 120353
- Aircraft time: 27,672 hours, 37,418 cycles
- System (JASC): [2424 · AC Regulator](https://openairdocs.org/jasc/2424)
- Part: Gcu
- Condition: Failed
- Location: Aux Generator
- Stage of operation: TO
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWIA201230950

## Discrepancy

LOST EADI AND EHSI FOR 3 SECONDS ON TAKEOFF WHEN THE AUX GENS CAME ON.  (FLT 6397)  REPLACED BOTH AUX GENERATOR GCU'S AND REPLACED NR 1 DPU.  P/N 51549-001A,  S/N OFF 98010, S/N OFF 811, P/N 622-7711-003, S/N OFF 4387.

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