What was found
AIRCRAFT WAS GROUNDED: DURING ACCOMPLISHMENT OF PS CHECK, EMERGENCY POWER SUPPLY UNIT SYSTEM TEST FAILS. REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT BATTERY.
- Difficulty date
- November 12, 2024
- Submitted
- November 13, 2024
- Operation
- Air carrier
- Aircraft
- N545UW
- Make and model
- Airbus A321231
- Aircraft serial
- 4850
- Aircraft time
- 42,675 hours, 16,741 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Condition
- No Test
- Location
- Zone 200
- 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.