What was found
AIRCRAFT WAS NOT GROUNDED: DURING PS CHECK FOUND RIGHT HAND OVERWING EMERGENCY POWER SUPPLY UNIT BATTERY FAULTING. REMOVED AND REPLACED RIGHT HAND OVERWING EMERGENCY POWER SUPPLY UNIT BATTERY 16WL.
- Difficulty date
- June 1, 2024
- Submitted
- June 3, 2024
- Operation
- Air carrier
- Aircraft
- N447AN
- Make and model
- Airbus A321253NX
- Aircraft serial
- 10705
- Aircraft time
- 9,358 hours, 2,477 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 321431
- Condition
- Faulty
- Location
- Emegency 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.