What was found
EPSU BATTERY FWD L FAULT OF EMERGENCY LIGHTING SYSYTEM. BATT FAULT ATA 33-51-38 REMOVED AND REPLACED FORWARD LEFT BATTERY OF THE EMERGENCY POWER SUPPLY UNIT (EPSU) AMM 33-31-38, OPS CHECK OK.
- Difficulty date
- January 5, 2026
- Submitted
- January 6, 2026
- Operation
- Air carrier
- Aircraft
- N880UA
- Make and model
- Airbus A319132
- Aircraft serial
- 2426
- Aircraft time
- 56,832 hours, 33,643 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- AD321431
- Condition
- Faulted
- 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.