What was found
OPERATIONAL CHECK OF CABIN EMERGENCY LIGHTS {A3NB-33-3-6012} - BATTERY TEST SHOWING FAULT EPSU BATTERY EMERGENCY FWD LEFT. REMOVED AND REPLACED FWD LEFT EMERGENCY BATTERY PER AMM 33-51-38-000-002-A. OPS CHECK GOOD.
- Difficulty date
- March 12, 2025
- Submitted
- March 13, 2025
- Operation
- Air carrier
- Aircraft
- N827UA
- Make and model
- Airbus A319131
- Aircraft serial
- 1022
- Aircraft time
- 78,647 hours, 34,293 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, J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.