What was found
AIRCRAFT WAS NOT GROUNDED: DURING PERIODIC SERVICE CHECK, EMERGENCY POWER SUPPLY UNIT 11WL FLAGGED BATTERY FAULT. MAINTENANCE REPLACED EMERGENCY POWER SUPPLY UNIT 11WL BATTERY PER AMM 33-51-38. OPS TEST GOOD.
- Difficulty date
- October 20, 2026
- Submitted
- October 23, 2026
- Operation
- Air carrier
- Aircraft
- N9018E
- Make and model
- Airbus A319115
- Aircraft serial
- 6150
- Aircraft time
- 33,421 hours, 16,141 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 321431
- Condition
- Warning Message
- Location
- Zone 200
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L, J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.