What was found
PIT FLT 709 ENROUTE PIT - TPA, AFTER TAKEOFF, ECAM MESSAGES 'L/G SHOCK ABSORBER FAULT' AND 'L/G NOT UPLOCKED' DISPLAYED. AIRCRAFT RETURNED TO FIELD AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE TIGHTENED A LOOSE PROXIMITY TARGET BRACKET, AND PERFORMED A GEAR SWING. ALL CHECKS OK.