What was found
EPSU EMERGENCY LEFT BATTERY MESSAGE DISPLAYED ON EMERGENCY BATTERY TEST REPLACED EPSU BATTERY IAW AMM 33-51-38.
- Difficulty date
- August 18, 2026
- Submitted
- August 20, 2026
- Operation
- Air carrier
- Aircraft
- N438UA
- Make and model
- Airbus A320232
- Aircraft serial
- 678
- Aircraft time
- 83,712 hours, 35,378 cycles
- Engine
- Iae V2527A5
- 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.