What was found
AIRCRAFT IN BASE MAINTENANCE: INOPERATIVE EMERGENCY POWER SUPPLY UNIT 14WL BATTERY IN PASSENGER CABIN (1 EA). REPLACED BATTERY OF THE EMERGENCY POWER SUPPLY 14WL PER AMM 33-51-38-400-002-A.
- Difficulty date
- July 22, 2021
- Submitted
- July 23, 2021
- Operation
- Air carrier
- Aircraft
- N537UW
- Make and model
- Airbus A321231
- Aircraft serial
- 4041
- Aircraft time
- 36,301 hours, 14,185 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Condition
- Inoperative
- Location
- Emergency Lights
- 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.