# SDR TRBA201135301

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 18, 2011
- Submitted: December 19, 2011
- Operation: Air carrier
- Aircraft: N550LL
- Make and model: Aerosp ATR 72-212
- Registry model: [Aerosp ATR 72-212](https://openairdocs.org/model/aerospatiale-atr-72-212) (OpenAirDocs)
- Aircraft serial: 550
- Aircraft time: 21,522 hours, 25,357 cycles
- System (JASC): [2432 · Battery/Charger System](https://openairdocs.org/jasc/2432)
- Part: Battery
- Part number: AD40782
- Part serial: 505432
- Condition: Inoperative
- Location: Main
- Stage of operation: CL
- 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/TRBA201135301

## Discrepancy

THE CREW REPORTED THAT AFTER TAKEOFF MAIN BATTERY CHARGE CONTACTOR FAULT, BATTERY CHARGE INDICATOR WAS SHOWING +50 DESELECTED MAIN BATT CHG IAW AOM 1 BATT CHARGE INDICATOR RETURNED TO ZERO.   THE ACFT RETURNED. R & R MAIN BATTERY IAW W/C EX-2431815-RAI-10010-008, OPS CHECK GOOD.

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