What was found
DURING GO-AROUND LANDING GEAR DID NOT RETRACT, ECAM CALLED FOR RECYCLING THE L/G HANDLE, LANDING GEAR RETRACTED NORMALLY. LANDING GEAR CAME DOWN NORMAL FOR SPEED APPROACH & LANDING. BITE TEST LGCIU 1 & 2 THROUGH CFDS IAW 32-69-00, NO DEFECT NOTED. AIEMAN SHOWS LGCIU NR 1 FAULT. REMOVED AND REPLACED LGCIU NR 1 PRECAUTIONARY PER MCC REQUEST IAW 32-31-71.