What was found
UPPER DECK RT DOOR HAS TWO EMERGENCY LIGHTS BEHIND DOOR LINER THAT ILLMINATE MOMENTARILY AND THEN EXSTINGUISH DURING EMERGENCY LIGHT TEST. REPLACED THE BATTERY PACK IAW MM 33-51-04-201-C02. EMERGENCY LIGHTS CHECKED OK.
- Difficulty date
- February 18, 2017
- Submitted
- February 20, 2017
- Operation
- Air carrier
- Aircraft
- N174UA
- Make and model
- Boeing 747422
- Aircraft serial
- 24381
- Aircraft time
- 104,303 hours, 11,419 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Condition
- Faulted
- Location
- Emergency Lights
- 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.