What was found
CABIN EMERGENCY LIGHTING BATTERY CAPACITY OPERATIONAL CHECK {A3NB-33-3-6013} - LEFT EPSU BATTERY FAILED TEST. REPLACED EPSU BATTERY WITH SERVICEABLE ONE FROM STOCK. OPS CHECK GOOD PARTS USED: 18-3351-3-0001,QTY :1
- Difficulty date
- February 8, 2025
- Submitted
- February 10, 2025
- Operation
- Air carrier
- Aircraft
- N843UA
- Make and model
- Airbus A319131
- Aircraft serial
- 1573
- Aircraft time
- 67,743 hours, 29,960 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- 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.