What was found
AIRCRAFT WAS GROUNDED: EMERGENCY POWER SUPPLY UNIT 10WL FAULT MESSAGE DISPLAYED DURING SYSTEM TEST. (OPEN)
- Difficulty date
- May 7, 2024
- Submitted
- May 13, 2024
- Operation
- Air carrier
- Aircraft
- N521UW
- Make and model
- Airbus A321231
- Aircraft serial
- 3944
- Aircraft time
- 48,370 hours, 18,354 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- UNKNOWN
- 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.