What was found
OPERATIONAL CHECK OF CABIN EMERGENCY LIGHTS {A3NB-33-3-6012} - EPSU 11WL FAILED TEST. REMOVED AND REPLACED BATTERY OF THE EPSU(11WL) IAW AMM 33-51-38-000-002-A. OPS CHECKED GOOD.PARTS USED: 18-3351-3-0001,QTY :1
- Difficulty date
- April 24, 2025
- Submitted
- April 25, 2025
- Operation
- Air carrier
- Aircraft
- N14502
- Make and model
- Airbus A321271NX
- Aircraft serial
- 11598
- Aircraft time
- 4,066 hours, 1,431 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- AD321431
- Condition
- Failed
- Location
- 11wl
- 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.