What was found
AIRCRAFT WAS NOT GROUNDED. EMERGENCY POWER SUPPLY UNIT (15WL) FAULT. REMOVED & REPLACED 15WL EMERGENCY POWER SUPPLY UNIT, PER AMM TASK 33-51-38-000-001-A. OPERATIONS CHECKS NORMAL.
- Difficulty date
- November 14, 2020
- Submitted
- November 16, 2020
- Operation
- Air carrier
- Aircraft
- N573UW
- Make and model
- Airbus A321231
- Aircraft serial
- 5939
- Aircraft time
- 22,373 hours, 8,684 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 32146210
- Part serial
- 161776
- Condition
- Faulted
- Location
- Emergency Lights
- Part time
- 702 hours, 287 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.