What was found
AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT SYSTEM TEST FAULT 10WL FORWARD LEFT BATTERY. REPLACED EMERGENCY POWER SUPPLY UNIT BATTERY 10WL FORWARD LEFT.
- Difficulty date
- April 13, 2024
- Submitted
- April 15, 2024
- Operation
- Air carrier
- Aircraft
- N572UW
- Make and model
- Airbus A321231
- Aircraft serial
- 5899
- Aircraft time
- 33,289 hours, 13,415 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- AD321431
- Condition
- No Test
- 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.