What was found
FLIGHT 819 DEPARTED FROM MIA, WHILE IN CRUISE AT THE ASSIGNED ALTITUDE (ONE HOUR OUT ) THE CREW REPORTED THE NUMBER 3 STRUT OVERHEAT LIGHT ILLUMINATED, THE CREW PERFORMED THE ABNORMAL PROCEDURES, THE NUMBER 3 STRUT OVERHEAT LIGHT WENT OUT. THE AIRCRAFT RETURNED TO MIA AND LANDED WITHOUT ANY FURTHER INCIDENT. MAINTENANCE PERFORMED AN INSPECTION AND TEST OF THE NUMBER 3 STRUT OVERHEAT SYSTEM IAW THE B-727 MM CH 26-11-00 AND 71-00, NO DISCREPANCIES WERE NOTED. THE AIRCRAFT WAS RETURNED TO CARGO SERVICE AND DISPATCHED WITHOUT FURTHER INCIDENT.