What was found
BOS INFLIGHT T1367/21 ON TAKEOFF WHEN GEAR HANDLE WAS RAISED A LOUD THUMP WAS HEARD IN THE NOSE GEAR AREA. NOSE GEAR WOULD NOT RETRACT. NOSE GEAR AMBER UNLOCK LIGHT REMAINED ON AND ASSOCIATED ECAM MESSAGE LANDING GEAR RETRACTION INOPERATIVE. RETURNED TO BOSTON. LANDED WITHOUT INCIDENT. INSPECTED AND APPROVED FOR FERRY FLIGHT TO JFK. FOUND NOSE GEAR UPLOCK ATTACH FITTING DAMAGED. REPLACED UPLOCK ATTACH FITTING AND UPLOCK ASSEMBLY FOR NOSE GEAR. SYSTEM GROUND CHECKED NORMAL OPERATION.