What was found
MAIN BATTERY EICAS STATUS MAIN BATTERY FAILURE. UPON RETURNING TO GATE MAIN BATTERY REPLACED & INSTALLATION TESTED OK. MAIN BATTERY STATUS MX MSG CLEARED. AMM 24-31-01-000-801 & 24-31-01-400-801.
- Difficulty date
- October 12, 2025
- Submitted
- October 14, 2025
- Operation
- Air carrier
- Aircraft
- N788UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26942
- Aircraft time
- 113,705 hours, 14,904 cycles
- System (JASC)
- 2432 · Battery/Charger System
- Part
- Battery
- Part number
- 416541
- Part serial
- 90520028CBA5
- Condition
- Faulty
- Location
- Main
- Part time
- 3,175 hours, 656 cycles
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.