What was found
AIRCRAFT WAS NOT GROUNDED: DURING PS CHK EPSU TEST, FOUND BAT/EPSU (12WL) EXT R FAULT. REMOVED/REPLACED EPSU BATTERY ABOVE R3 EMERGENCY EXIT DOOR (12WL) IAW AMM 33-51-38, OPS CHECK GOOD, TESTS OK.
- Difficulty date
- August 9, 2024
- Submitted
- August 12, 2024
- Operation
- Air carrier
- Aircraft
- N556UW
- Make and model
- Airbus A321231
- Aircraft serial
- 5244
- Aircraft time
- 37,256 hours, 15,426 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Condition
- Inoperative
- Location
- Zone 200
- 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.