What was found
L4 DOOR, EMERGENCY LIGHT BATTERY CAPACITY CHECK FAILED. THE L4 EMERGENCY BATTERY R & R AND TESTED NORMAL IAW AMM 33-51-06.
- Difficulty date
- April 4, 2026
- Submitted
- April 6, 2026
- Operation
- Air carrier
- Aircraft
- N226UA
- Make and model
- Boeing 777222
- Aircraft serial
- 30226
- Aircraft time
- 93,673 hours, 10,974 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- ADD71701100
- Condition
- No Test
- 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.