What was found
DURING AN EMERGENCY LIGHT BATTERY PACK CPACITY CHECK, FOUND THE R4 DOOR BATTERY PACK INOPERATIVE. THE BATTERY PACK WAS REPLACED. OPS TESTED NORMAL IAW AMM 33-51-06-960-802, REV 81.
- Difficulty date
- February 7, 2018
- Submitted
- February 9, 2018
- Operation
- Air carrier
- Aircraft
- N769UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26921
- Aircraft time
- 89,448 hours, 15,458 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- ADD71701100
- Part serial
- 139459
- 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.