What was found
EPSU BATTERY EMER R, 33-51-38, MX MSG DURING EMERGENCY LIGHT TEST ON PTP. REPLACED RIGHT EPSU BATTERY, OPS CHECKED GOOD, IAW AMM 33-51-38-000-002-A AND AMM 33-51-38-400-002-A.
- Difficulty date
- July 21, 2026
- Submitted
- July 24, 2026
- Operation
- Air carrier
- Aircraft
- N855UA
- Make and model
- Airbus A319131
- Aircraft serial
- 1737
- Aircraft time
- 67,237 hours, 30,358 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- AD321431
- Condition
- Warning Message
- Location
- Zone 200
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.