What was found
LEFT OVERWING EMERGENCY POWER SUPPLY UNIT BATTERY FAILED. REMOVED AND REPLACED LEFT OVERWING EPSU BATTERY REF AMM TASK 33-51-38-000-002-A AND TASK 33-51-38-400-002-A.
- Difficulty date
- April 10, 2026
- Submitted
- April 13, 2026
- Operation
- Air carrier
- Aircraft
- N14530
- Make and model
- Airbus A321271NX
- Aircraft serial
- 12218
- Aircraft time
- 3,889 hours, 1,461 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- AD321431
- 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.