What was found
AIRCRFAT WAS NOT GROUNDED: DURING CIDS 1 EMERGENCY POWER SUPPLY UNIT SYSTEM TEST FOUND FAULT BAT/EMERGENCY POWER SUPPLY UNIT (12WL). REPLACED THE EMERGENCY POWER SUPPLY UNIT BATTERY AT 12WL EXT RIGHT.
- Difficulty date
- March 23, 2024
- Submitted
- March 25, 2024
- Operation
- Air carrier
- Aircraft
- N150UW
- Make and model
- Airbus A321211
- Aircraft serial
- 5504
- Aircraft time
- 34,020 hours, 14,145 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.