As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LGCIU 2 FAULT DISPLAYED ON UPPER ECAM SCREEN. RESET IAW PROC, RETURNED AGAIN. ITEM ROLLED FORWARD. REPLACED WHEEL SPEED RELAY 24GG IAW A320 AIRCRAFT SCHEMATIC MANUAL 32-31-04. PERFORMED A TAXI TEST OF THE AIRCRAFT TO CONFIRM FIX. OPERATION CHECKED GOOD. NO LGICU2 FAULT MESSAGE DISPLAYED.