# SDR UALA2011080304046

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 3, 2011
- Submitted: August 3, 2011
- Operation: Air carrier
- Aircraft: [N774UA](https://openairdocs.org/aircraft/N774UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26936
- Aircraft time: 63,126 hours, 12,095 cycles
- Engine: Pwa PW4077
- System (JASC): [2432 · Battery/Charger System](https://openairdocs.org/jasc/2432)
- Part: Battery
- Part number: 263BA1011
- Part serial: 101
- Condition: Faulty
- Location: Apu
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2011080304046

## 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.  MAT SHOWS MTC MSG 24-13047.  APU BATTERY STS MSG SHOWING.  APU BATTERY DEFERRED PER MEL 2431 C.  REPLACED APU BATTERY IAW MM.  OPS CHECK NORMAL.  VOLTS AND AMPS NORMAL.

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