What was found
EPSU 11WL FLAGGED DURING EMERGENCY LIGHT SYSTEM TEST REPLACED BATTERY PACK REF: AMM TASK 33-51-38-400-002-A. OPS TEST WAS GOOD. PARTS USED: 18-3351-3-0001, QTY :1
- Difficulty date
- August 28, 2026
- Submitted
- August 31, 2026
- Operation
- Air carrier
- Aircraft
- N14511
- Make and model
- Airbus A321271NX
- Aircraft serial
- 11775
- Aircraft time
- 6,869 hours, 2,518 cycles
- 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.