# SDR UIEA2017033000422

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 28, 2017
- Submitted: March 30, 2017
- Operation: Air carrier
- Aircraft: [N477MC](https://openairdocs.org/aircraft/N477MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 29255
- Aircraft time: 74,433 hours, 13,390 cycles
- System (JASC): [2432 · Battery/Charger System](https://openairdocs.org/jasc/2432)
- Part: Battery
- Part number: 3266901
- Part serial: 10600157
- Condition: Failed
- Location: Main
- Stage of operation: TO
- 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/UIEA2017033000422

## Discrepancy

INFLIGHT, AFTER TAKEOFF, HAD STATUS MSG, "BAT CHRG MAIN". TROUBLESHOT AND FOUND MAIN BATTERY FAILED. REMOVED & REPLACED MAIN BATTERY.

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