What was found
DURING THE PERFORMANCE OF AN EMERGENCY LIGHT TEST, THE L3 DOOR FWD EXIT SIGN DID NOT ILLUMINATE. REPLACED THE M33400 BATTERY PACK AND TESTED NORMAL IAW AMM 33-51-06-960-802, REV 83.
- Difficulty date
- August 3, 2018
- Submitted
- August 6, 2018
- Operation
- Air carrier
- Aircraft
- N223UA
- Make and model
- Boeing 777222
- Aircraft serial
- 30224
- Aircraft time
- 72,984 hours, 8,555 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- ADD71701100
- Part serial
- 210053
- Condition
- Discharged
- Location
- Emergency Lights
- 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.