What was found
DURING EMERGENCY LIGHT TEST FOUND EPSU BATT FAIL MESSAGE ON LIGHT TEST DISPLAY PANEL R&R REAR EPSU BATT REF AMM 33-51-38, COMPLETED ASSOCIATED EPSU LOAD PROGRAMMING PROCEDURE REF AMM 33-51-00. BITE TESTS AND OPS CHECK GOOD.
- Difficulty date
- February 24, 2026
- Submitted
- February 25, 2026
- Operation
- Air carrier
- Aircraft
- N842UA
- Make and model
- Airbus A319131
- Aircraft serial
- 1569
- Aircraft time
- 68,543 hours, 30,544 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- AD321431
- Condition
- Inoperative
- Location
- Zone 200
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.