# SDR UALA2010122704727

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 26, 2010
- Submitted: December 30, 2010
- Operation: Air carrier
- Aircraft: N179UA
- Make and model: Boeing 747422
- Aircraft serial: 25158
- Aircraft time: 82,511 hours, 10,061 cycles
- Engine: Pwa PW4056
- System (JASC): [4940 · APU Start/Ignition System](https://openairdocs.org/jasc/4940)
- Part: Charger
- Part number: 425402
- Part serial: 111
- Condition: Inoperative
- Location: Apu 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/UALA2010122704727

## Discrepancy

EICAS STATUS MESSAGE "BATTERY CHARGER".   REPLACED APU BATTERY AND REPLACED APU BATTERY CHARGER IAW MM, GROUND OPS CK OK. NO FAULTS NOTED.

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