What was found
MIA - FLT NR 0695, AFTER TAKEOFF MIA DURING CLIMB-OUT, NR 3 STRUT OVERHEAT LIGHT ILLUMINATED. ACCOMPLISHED QRH PROCEDURES AND AIRCRAFT RETURNED TO MIA, LANDING WITHOUT INCIDENT. REPLACED LEFT PNEUMATIC SHUTOFF VALVE. ALSO, REPLACED NR 3 STRUT OVERHEAT CONTROL AND REPOSITIONED OVERHEAT DETECTOR LOOP. ACCOMPLISHED LEAK CHECK AND GROUND ENGINE RUN WITH NO DEFECTS FOUND. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)