What was found
AIRCRAFT WAS NOT GROUNDED: DURING EMERGENCY POWER SUPPLY UNIT TEST FOUND BATTERY AT 13WL FAULTING. REMOVED AND REPLACED BATTERY AT 13WL PER AMM 33-51-38.
- Difficulty date
- June 12, 2021
- Submitted
- June 14, 2021
- Operation
- Air carrier
- Aircraft
- N544UW
- Make and model
- Airbus A321231
- Aircraft serial
- 4847
- Aircraft time
- 32,077 hours, 12,193 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Condition
- Faulted
- Location
- Emergency Lights
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.