What was found
EFT 3 DOOR EMERGENCY POWER SUPPLY BATTERY M33400 CANNOT STAY FOR 15 MINUTES TRANSFER REF. NON-ROUTINE HX NRC WO.3876351. DR L3 M33400 EMER LIGHT PWR SUPPLY REPLACED AND TESTED NORMAL IAW AMM 33-51-06.
- Difficulty date
- October 19, 2024
- Submitted
- October 21, 2024
- Operation
- Air carrier
- Aircraft
- N774UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26936
- Aircraft time
- 103,064 hours, 19,394 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- D71701100
- Condition
- Failed
- Location
- Zone 200
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.