What was found
INSPECTION TYPE:** ATB ** SDR FILED OPEN ** LANDING GEAR FAILED TO RETRACT ON CLIMB OUT. ECAM SHOWED L/G NOT UNLOCKED MESSAGE PER ECAM RETURNED GEAR LEVER TO DOWN POSITION. INDICATOR SYSTEM WAS IN SYS 2 POSITION. DEFERRED LANDING GEAR POS DEF SYSTEM #2 IAW MEL 32-61-04. PLACARD INSTALLED, ADDED TO DI LOG ON CONTROL # M 705496. REPLACED MAIN & NOSE GEAR UPLOCK MICRO SWITCH FOR SYS 226GB 36GB PER AMM 32-00-00-0401, OPS CK GOOD. THIS CLEARS M 705496.