As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SJU INFLIGHT T1480/06JAN - WHEN RETRACTING LANDING GEAR CREW HEARD A LOUD NOISE FOLLOWED BY NOSE GEAR DOOR AMBER LIGHT. RETURNED TO SJU AND LANDED WITHOUT INCIDENT. REPLACED NOSE LANDING GEAR UPLOCK ACTUATOR ATTACHMENT FITTING. SYSTEM GROUND CHECKED NORMAL OPERATION.