# SDR 2007UALA00582

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 23, 2007
- Submitted: March 6, 2007
- Operation: Air carrier
- Aircraft: [N779UA](https://openairdocs.org/aircraft/N779UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26941
- Aircraft time: 42,912 hours, 8,122 cycles
- Engine: Pwa PW4077
- System (JASC): [2432 · Battery/Charger System](https://openairdocs.org/jasc/2432)
- Part: Charger
- Condition: Faulty
- Location: Main Battery
- Stage of operation: NR
- 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/2007UALA00582

## Discrepancy

BATTERY MAIN CHARGER STATUS MESSAGE.  MAIN BATTERY CHARGER FAILURE MESSAGE.  ACTIVE ES HARD FAULT.    AFTER TROUBLESHOOTING, REPLACED MAIN BATTERY. SYSTEM CHECKS OK

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