What was found
EMERGENCY LIGHTS - OPERATIONAL TEST WITH THE CONTROL SWITCHES PROCEDURE - FOUND DOOR 4 FWD ZONE EMERGENCY LIGHT INOP. REPLACED BATTERY PACK, FUSE AND SEAT 50D EMERGENCY LIGHT MODULE, AND EMERGENCY LIGHT OPERATION CHECK NORMAL.
- Difficulty date
- June 20, 2025
- Submitted
- June 23, 2025
- Operation
- Air carrier
- Aircraft
- N2250U
- Make and model
- Boeing 777300ER
- Aircraft serial
- 66590
- Aircraft time
- 23,887 hours, 2,752 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Fuse
- Part number
- ADB21506
- Condition
- Open
- Location
- Zone 200
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.