What was found
AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT AT 11WL BATTERY FAILED EMERGENCY POWER SUPPLY UNIT SYSTEM TEST. REPLACED BATTERY OF THE EMERGENCY POWER SUPPLY UNIT AT 11WL.
- Difficulty date
- October 4, 2023
- Submitted
- October 6, 2023
- Operation
- Air carrier
- Aircraft
- N150UW
- Make and model
- Airbus A320*
- Aircraft serial
- 5504
- Aircraft time
- 32,489 hours, 13,390 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 321431
- Condition
- No Test
- Location
- Zone 200 - Fuse
- 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.