What was found
WHILE PERFORMING CABIN EMERGENCY LIGHTING. FOUND EPSU BATTERY EMER R FAULTING. REMOVED AND REPLACED EMEMGENY PSU BATTERY REF AMM 33-51-38.OPS CHECK GOOD AT THIS TIME.PARTS USED: 18-3351-3-0001,QTY :1
- Difficulty date
- May 31, 2026
- Submitted
- June 2, 2026
- Operation
- Air carrier
- Aircraft
- N443UA
- Make and model
- Airbus A320232
- Aircraft serial
- 820
- Aircraft time
- 85,390 hours, 34,822 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- AD321431
- Condition
- Faulty
- Location
- Zone 200
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.