What was found
AIRCRAFT WAS NOT GROUNDED: DURING PS CHECK FOUND EMERGENCY POWER SUPPLY UNIT BATTERY FAULT (13WK). REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT BATTERY (13WL) PER AMM 33-51-38.
- Difficulty date
- March 4, 2021
- Submitted
- March 8, 2021
- Operation
- Air carrier
- Aircraft
- N162AA
- Make and model
- Airbus A321231
- Aircraft serial
- 6621
- Aircraft time
- 14,015 hours, 5,467 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Condition
- Faulted
- Location
- Emergency Lights
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L, J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.