As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RED RT ENG PYLON OVERHEAT CAS. CWP AND TRIPLE CHIME CAME ON AT FL200, PULLED BACK TO IDLE AND WOULD NOT GO OUT. SHUT ENG DOWN. LANDING AND TAXI WERE UNEVENTFUL. REPLACED HP DUCT AND REPLACED FIREWALL BOOT ON OTBD SIDE OF HP DUCT AND SEALED. OPS AND LEAK CHECK GOOD.