What was found
R4 DOOR AREA INTERNAL EMERGENCY LIGHT DIM. M33408 BATTERY FAILED. REPLACED THE M33408 BATTERY PACK AT R 4 AND FUNCTION TEST NORMAL IAW AMM 33-51-06-960-802 REV.104.
- Difficulty date
- August 5, 2025
- Submitted
- August 7, 2025
- Operation
- Air carrier
- Aircraft
- N769UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26921
- Aircraft time
- 108,011 hours, 19,694 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- 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.