What was found
RIGHT UPPER DECK DOOR INNER EMERGENCY LIGHTS WILL NOT ILLUMINATE DURING EMERGENCY EXIT LIGHT TEST. REPLACED THE BATTERY IAW 33-51-04-902. SYS CHECKED GOOD.
- Difficulty date
- September 18, 2017
- Submitted
- September 19, 2017
- Operation
- Air carrier
- Aircraft
- N174UA
- Make and model
- Boeing 747422
- Aircraft serial
- 24381
- Aircraft time
- 106,423 hours, 11,620 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Condition
- No Test
- Location
- Emergency Light
- 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.