# SDR SIMA201033309

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 26, 2010
- Submitted: November 30, 2010
- Operation: Air carrier
- Aircraft: [N699AE](https://openairdocs.org/aircraft/N699AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 14500883
- Aircraft time: 14,835 hours, 13,159 cycles
- System (JASC): [2460 · DC Power Distribution System](https://openairdocs.org/jasc/2460)
- Part: Control Panel
- Part number: 1421325405
- Part serial: 14500885
- Condition: Malfunctioned
- Location: Cockpit
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA201033309

## Discrepancy

ON FLIGHT 3999 THE CREW REPORTED AN ABNORMAL ELECTRICAL PROBLEM.  THE BATTERIES ON THE AIRCRAFT WENT INTO AN ESSENTIAL TRANS MODE.  (IE- PLANE GOES DARK AND EICAS ONLY).  THE CAPTAIN ELECTED TO RETURN TO FAR.  THE AIRCRAFT LANDED WITHOUT INCIDENT.  THE AIRCRAFT WAS REMOVED FROM SERVICE.  FOUND BAD BATTERY 1 SWITCH.  REMOVED AND REPLACED THE ELECTRICAL CONTROL PANEL IAW EMB-145 AMM 24-00-01.  THE OPERATIONAL CHECK WAS GOOD PER EMB-145 AMM 24-60-00.  THE AIRCRAFT WAS RETURNED TO SERVICE.

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