What was found
AIR TURNBACK, AFTER SELECTING GEAR UP, ECAM SHOWED MAIN AND NOSE DOORS OPEN AND AMBER. PERFORMED ECAM ACTION, AFTER RE-SELECTING GEAR HANDLE DOWN, DOORS SHOWED ALL CLOSED AND NORMAL. REMOVED AND REPLACED NLG PROXIMITY SENSORS 24GA AND 25GA, GEAR SWING C/W. 2ND AIR TURNBACK GEAR HANDLE COULD NOT BE SELECTED UP WITH FIX BEING REPLACED NLG PROXIMITY SENSOR GUARD ATTACH BOLT AND ADJUSTED PROXIMITY SENSORS 24GA AND 25GA. GEAR SWING C/W