What was found
PERFORM EMERGENCY LIGHT OPERATION CHECK FOUND BATTERY DOOR R4 M3 3408 INOPERABLE. REPLACED THE M33408 EMERGENCY LIGHT BATTERY PACK AT DR R4 INSTALLATION TEST FOUND NORMAL, REF AMM 33-5 1-06-960-802 REV 90.
- Difficulty date
- January 21, 2021
- Submitted
- January 22, 2021
- Operation
- Air carrier
- Aircraft
- N781UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26945
- Aircraft time
- 96,170 hours, 16,782 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- D71701100
- Condition
- Inoperative
- 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.