# SDR UALA2010051901703

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 19, 2010
- Submitted: May 19, 2010
- Operation: Air carrier
- Aircraft: N521UA
- Make and model: Boeing 757222
- Aircraft serial: 24891
- Aircraft time: 64,522 hours, 24,080 cycles
- Engine: Pwa PW2037
- System (JASC): [2432 · Battery/Charger System](https://openairdocs.org/jasc/2432)
- Part: Charger
- Part number: 425402
- Part serial: 123
- Condition: Malfunctioned
- Location: Master 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/UALA2010051901703

## Discrepancy

EICAS STATUS MSG MAIN BATTERY CHARGER.   REPLACED MAIN BATTERY CHARGER AND MAIN BATTERY IAW MM.  STATUS MSG MAIN BATTERY CHARGER STILL DISPLAYED.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.