What was found
AIRCRAFT WAS NOT GROUNDED: DURING OPERATIONS CHECK, BITE OF EMERGENCY POWER SUPPLY UNIT, EMERGENCY EXIT RIGHT FAULT DISPLAYED. MAINTENANCE REPLACED EMERGENCY POWER SUPPLY UNIT PER MM 33-51-38.
- Difficulty date
- February 2, 2020
- Submitted
- February 3, 2020
- Operation
- Air carrier
- Aircraft
- N189UW
- Make and model
- Airbus A321211
- Aircraft serial
- 1425
- Aircraft time
- 63,627 hours, 23,868 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.