What was found
EMERGENCY LIGHTS FAILED AN OPERATIONAL TEST WITH BATTERY , AND POWER SUPPLY UNIT 14WL MIRROR FAULT. REPLACED THE POWER SUPPLY AND AFTER MDCU EMERGENCY LIGHTS TEST PAGE 19/20 OF PS, TESTED OK.
- Difficulty date
- October 18, 2018
- Submitted
- October 23, 2018
- Operation
- Air carrier
- Aircraft
- N146AA
- Make and model
- Airbus A321231
- Aircraft serial
- 6761
- Aircraft time
- 10,086 hours, 3,827 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.