What was found
AIRCRAFT WAS GROUNDED: FAULT MESSAGE FOR EMERGENCY POWER SUPPLY UNIT 15WL DURING SYSTEM TEST. MAINTENANCE REPLACED THE L1 DOOR SLIDE (AALA202503121746) AND THE R1 DOOR SLIDE (AALA202503128828) PER TASK CARD 26L00025010.
- Difficulty date
- March 10, 2025
- Submitted
- March 12, 2025
- Operation
- Air carrier
- Aircraft
- N545UW
- Make and model
- Airbus A321231
- Aircraft serial
- 4850
- Aircraft time
- 43,603 hours, 17,185 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Condition
- No Test
- Location
- Zone 800
- Part time
- 5,558 hours, 2,501 cycles
- 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.