What was found
AFTER TO MLG FAILED TO RETRACT SYS NR 2 WAS SELECTED AND ECAM PROCEDURES FOLLOWED, BUT MLG FAILED TO RETRACT. VERIFIED LANDING GEAR HANDLE WOULD NOT GO PAST INTERLOCK POSITON IN SYS 1 OR 2. DURING NORMAL GEAR RETRACTION. R & R LANDING GEAR CONTROL WITCH UNIT, 2GA, IAW MM 32-31-11-04. PERFORMED SUCCESSFUL NORMAL GEAR RETRACTION IN SYS 1 AND 2 IAW MM 32-31-08-01B-050.