What was found
FLIGHT 845 DEPARTED MIA AND CLIMBED TO CRUISE ALTITUDE, THE CREW REPORTED THE NR 1 STRUT OVERHEAT LIGHT ILLUMINATED, THE AIRCRAFT RETURNED TO MIA AND LANDED WITHOUT FURTHER INCIDENT. IN MIA MAINTENANCE FOUND A LOOSE CLAMP AT THE NR 1 ENGINE BLEED VALVE, THE CLAMP WAS RETORQUED IAW B-727 MM CH 20-80-01, THE NR 1 ENGINE WAS RUN-UP TO TAKEOFF POWER AND A LEAK CHECK WAS PERFORMED, ENGINE RUN NORMAL LEAK CHECK GOOD IAW B-727 MM CH 71-00-00, THE AIRCRAFT WAS RETURNED TO SERVICE.