# SDR UALA2012100905717

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 8, 2012
- Submitted: November 20, 2012
- Operation: Air carrier
- Aircraft: [N773UA](https://openairdocs.org/aircraft/N773UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26929
- Aircraft time: 69,912 hours, 13,324 cycles
- Engine: Pwa PW4077
- System (JASC): [2432 · Battery/Charger System](https://openairdocs.org/jasc/2432)
- Part: Battery
- Condition: Failed
- Location: Apu
- Stage of operation: TX
- 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/UALA2012100905717

## Discrepancy

CMC 1 MSG APU BATTERY FAILURE CAME BACK ON PUSHBACK.  DEFERRED IAW MEL 2431C.  REPLACED APU BATTERY AND CHARGER UNIT PER AMM.  PERFORMED OPS CHECK CHARGING NORMALLY.

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