As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 47, EN ROUTE. FLIGHT EXPERIENCED A LEFT ENGINE OVERHEAT DURING CRUISE. PULLED ENGINE BACK TO HALF POWER, AND DECLARED AN EMERGENCY. LANDED AT DESTINATION WITHOUT FURTHER INCIDENT. MX FOUND THE HP 6 DUCT LEAKING. REPLACED THE DUCT. SHOP FOUND DUCT LEAKING AT SLIDER. SPHERICAL SEAL ASSY , PISTON RING, AND GUIDE RINGS CHIPPED AND CRACKED BEYOND LIMITS. PARTS REPLACED WITH NEW. DUCT ASSY WAS REPAIRED AND OVERHAULED.