What was found
THE 'BAT CHARGER MAIN' EICAS STATUS MSG DISPLAYED. *S/D* MAIN BATTERY CHARGER FAILS. INPUT POWER TO MAIN BAT CHRGR IS OFF OR FAILS. MAIN BATTERY CHARGER INTERLOCK IS OPEN. MAIN BAT IN OVERHEATED CONDITION. REPLACED BATTERY.
- Difficulty date
- July 21, 2010
- Submitted
- July 28, 2010
- Operation
- Air carrier
- Aircraft
- N120UA
- Make and model
- Boeing 747422
- Aircraft serial
- 29166
- Aircraft time
- 46,239 hours, 5,512 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 2432 · Battery/Charger System
- Part
- Battery
- Part number
- 18550000
- Part serial
- 602
- Condition
- Failed
- Location
- Main
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.