What was found
AIRCRAFT WAS NOT GROUNDED: DURING PS CHECK EPSU SYSTEM TEST BATTERY/EPSU (15WL) MIDDLE LEFT FAULT. REPLACED EPSU 15WL.
- Difficulty date
- August 18, 2024
- Submitted
- August 19, 2024
- Operation
- Air carrier
- Aircraft
- N542UW
- Make and model
- Airbus A321231
- Aircraft serial
- 4134
- Aircraft time
- 49,022 hours, 18,753 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 32146210
- Part serial
- 133487
- Condition
- Faulty
- Location
- Zone 200
- Part time
- 49,081 hours, 18,777 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.