What was found
DEN/MHR - FLT 2015 - FOUR MINUTES AFTER TAKEOFF DURING CLIMB-OUT PASSING THROUGH 10,000 FEET, THE NR 3 ENGINE STRUT OVERHEAT LIGHT ILLUMINATED WITH 42 PSI DUCT PRESSURE. RAN ABNORMAL CHECKLIST AND LIGHT REMAINED EXTINGUISHED AT CRUISE THRUST. THE AIRCRAFT CONTINUED ON TO MHR AND MADE A ROUTINE LANDING. MAINTENANCE TIGHTENED BOLTS ON 13TH STAGE ANTI-ICE VALVE, REPOSITIONED CLAMP ON ANTI-ICE DUCTING. RAN ENGINE AT TAKEOFF POWER FOR 5 MINUTES. LEAKED CHECKED OKAY. STRUT OVERHEAT LIGHT REMAINED EXTINGUISHED. AIRCRAFT WAS RETURNED TO SERVICE. (X)