What was found
AIRCRAFT IN BASE MAINTENANCE: BATTERY OF EMERGENCY POWER SUPPLY UNIT 14 WL IN PASSENGER CABIN IS INOPERATIVE. REPLACED BATTERY OF EMERGENCY POWER SUPPLY UNIT 14 WL IN PASSENGER CABIN IAW AMM 33-51-38-400-002-A
- Difficulty date
- July 28, 2021
- Submitted
- July 29, 2021
- Operation
- Air carrier
- Aircraft
- N142AN
- Make and model
- Airbus A321231
- Aircraft serial
- 6711
- Aircraft time
- 17,977 hours, 6,824 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- 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.