What was found
EMERGENCY POWER SUPPLY UNIT TEST FAILED UNIT 10WL. REPLACED POWER SUPPLY AND BATTERY IAW AMM 33-51-38. THE AIRCRAFT WAS GROUNDED.
- Difficulty date
- February 24, 2018
- Submitted
- February 27, 2018
- Operation
- Air carrier
- Aircraft
- N918US
- Make and model
- Airbus A321231
- Aircraft serial
- 6443
- Aircraft time
- 10,985 hours, 4,270 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Condition
- Failed
- 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.