What was found
CABIN EMERGENCY LIGHTING BATTERY CAPACITY OPERATIONAL CHECK {A3NB-33-3-6013} - EPSU 11WL NEEDED CHANGING. REMOVED AND REPLACED EPSU 11WL BATTERY, IAW AMM33-51-38. OPS TESTED NORMAL. OK FOR SERVICE.
- Difficulty date
- March 26, 2025
- Submitted
- March 27, 2025
- Operation
- Air carrier
- Aircraft
- N855UA
- Make and model
- Airbus A319131
- Aircraft serial
- 1737
- Aircraft time
- 63,863 hours, 28,501 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.