# SDR UALA2011080304045

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 2, 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: 63,118 hours, 12,094 cycles
- Engine: Pwa PW4077
- System (JASC): [2432 · Battery/Charger System](https://openairdocs.org/jasc/2432)
- Part: Charger
- Part number: 263BC1013
- Part serial: 14
- Condition: Faulty
- Location: Apu
- Stage of operation: NR
- 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/UALA2011080304045

## Discrepancy

BAT CHARGER APU APU BATTERY CHARGER FAILURE.  STATUS  MSG01-ACTIVE CRUISE MODE DEPENDENT; APU BATTERY IS WEAK.  DB- ELMS P310 ELECTRONICS UNIT MSG02- ACTIVE CRUISE MODE DEPENDENT; APU BATTERY IS WEAK.  MSG-2413047 ACTIVE ER MODE MSG-2413047 ACTIVE ER MODE.  STS MSG BAT CHARGER APU SHOWING. DEFERRED PER MEL 2431D.  REPLACED APU CHARGER IAW MM.  VOLTS AND AMPS NORMAL.

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