What was found
AIRCRAFT WAS NOT GROUNDED: WHILE PERFORMING PS CHECK, EMERGENCY EXIT WALL LIGHTS 40WL, 41WL, AND 50WL INOP. T/S PER TSM 33-51-00-810-807A DUE TO INTERNAL FAULT ON FWD ESPU. MAINTENANCE REPLACED FWD EPSU IAW AMM 33-51-38.
- Difficulty date
- April 24, 2025
- Submitted
- April 25, 2025
- Operation
- Air carrier
- Aircraft
- N701UW
- Make and model
- Airbus A319112
- Aircraft serial
- 890
- Aircraft time
- 67,998 hours, 39,947 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 3214410
- Part serial
- 1124
- Condition
- No Test
- Location
- Zone 200
- Part time
- 67,997 hours, 39,947 cycles
- 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.