What was found
L3 DOOR M33405 EMERGENCY LIGHT BATTERY CAPACITY CHECK FAILED. DOOR L3 M33405 EMERGENCY LIGHT BATTERY REPLACED AND TESTED NORMAL IAW SRM 33-51-06.
- Difficulty date
- March 20, 2026
- Submitted
- March 23, 2026
- Operation
- Air carrier
- Aircraft
- N228UA
- Make and model
- Boeing 777222
- Aircraft serial
- 30556
- Aircraft time
- 93,739 hours, 11,056 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.