What was found
AIRCRAFT WAS NOT GROUNDED: RIGHT OVER WING EMERGENCY POWER SUPPLY UNIT BATTERY FAILED DURING EMERGENCY LIGHT OPS TEST. MAINTENANCE REPLACED RIGHT OVER THE WING EMERGENCY POWER SUPPLY UNIT BATTERY PER AMM 33-51-38 OPS CHECK GOOD.
- Difficulty date
- October 23, 2026
- Submitted
- October 28, 2026
- Operation
- Air carrier
- Aircraft
- N769US
- Make and model
- Airbus A319112
- Aircraft serial
- 1391
- Aircraft time
- 66,663 hours, 42,368 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 321431
- Condition
- No Test
- 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.