What was found
WHILE PERFORMING SERVICE CHECK DOING EMERGENCY ESCAPE PATH LIGHTINING TEST THROUGH MCDU SYSTEM TEST PAGE FOUND 3 PAGES OF CLASS 1 FAULTS RELATING TO EPSU (13WL). AFT L, REPLACED EPSU (13WL) AND BATTERY
- Difficulty date
- November 13, 2019
- Submitted
- November 17, 2019
- Operation
- Air carrier
- Aircraft
- N349DX
- Make and model
- Airbus A321211
- Aircraft serial
- 8233
- Aircraft time
- 4,833 hours, 2,128 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Condition
- No Test
- Location
- Emergency Lights
- 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.