What was found
AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT 10WL BATTERY FAULT DISPLAYED DURING SYSTEM TEST. EPSU 10WL BATTERY FAULT. REPLACED EMERGENCY POWER SUPPLY UNIT 10WL BATTERY AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.
- Difficulty date
- November 17, 2024
- Submitted
- November 18, 2024
- Operation
- Air carrier
- Aircraft
- N140AN
- Make and model
- Airbus A321231
- Aircraft serial
- 6667
- Aircraft time
- 28,640 hours, 11,146 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 321431
- Condition
- Discharged
- Location
- Zone 200
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- J, L
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.