What was found
AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT BATTERY AFT 13WL INOPERATIVE. REMOVED AND REPLACED AFT EMERGENCY POWER SUPPLY UNIT BATTERY 3WL PER AMM 33-51-00.
- Difficulty date
- May 19, 2021
- Submitted
- May 20, 2021
- Operation
- Air carrier
- Aircraft
- N154UW
- Make and model
- Airbus A321211
- Aircraft serial
- 5644
- Aircraft time
- 24,687 hours, 9,818 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.