What was found
AIRCRAFT WAS NOT GROUNDED: DURING PS CHECK FOUND EMERGENCY BATTERY 13WL BATTERY/EPSU FAULT. MAINTENANCE REPLACED EPSU BATTERY 13WL PER AMM 33-51-38. OPC GOOD. BITE CHECK GOOD. NO FURTHER DEFECTS NOTED AT THIS TIME.
- Difficulty date
- August 20, 2026
- Submitted
- August 24, 2026
- Operation
- Air carrier
- Aircraft
- N953XV
- Make and model
- Airbus A321253N
- Aircraft serial
- 7942
- Aircraft time
- 25,075 hours, 7,098 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 321431
- Condition
- Fault Message
- 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.