# SDR UALA2011051302384

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 12, 2011
- Submitted: May 19, 2011
- Operation: Air carrier
- Aircraft: [N780UA](https://openairdocs.org/aircraft/N780UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26944
- Aircraft time: 60,225 hours, 10,845 cycles
- Engine: Pwa PW4077
- System (JASC): [2432 · Battery/Charger System](https://openairdocs.org/jasc/2432)
- Part: Battery
- Part number: 263BA1011
- Part serial: 176
- Condition: Weak
- Location: Apu
- Stage of operation: IN
- 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/UALA2011051302384

## Discrepancy

APU BATTERY APU BATTERY FAILURE. STATUS  MSG01- ACTIVE CRUISE MODE DEPENDENT; APU BATTERY IS WEAK. DB- ELMS P310 ELECTRONICS UNIT  MSG-2413047 ACTIVE ER MODE. REPLACED APU BATTERY AND BATT CHARGER PER MM, OPS GOOD.

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