What was found
AIRCRAFT WAS NOT GROUNDED: 4L DOOR EMERGENCY POWER ASSIST SYSTEM GREEN LIGHT WONT FLASH. REMOVED AND REPLACED BOTH 9V BATTERIES FROM EMERGENCY POWER ASSIST SYSTEM 4L OPERATIONS CHECKED NORMAL PER AMM 52-11-20.
- Difficulty date
- April 19, 2022
- Submitted
- April 20, 2022
- Operation
- Air carrier
- Aircraft
- N774AN
- Make and model
- Boeing 777223
- Aircraft serial
- 29581
- Aircraft time
- 89,666 hours, 11,284 cycles
- System (JASC)
- 5210 · Passenger/Crew Doors
- Part
- Battery
- Condition
- Inoperative
- Location
- Zone 800 - Doors
- 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.