As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCI INFLIGHT T1964/08MAY - CREW REPORTED ACCESSORY COMPARTMENT OVERHEAT INDICATION. RETURNED TO MCI AND LANDED WITHOUT INCIDENT. FOUND RIGHT TEMPERATURE CONTROL VALVE DUCT BOOT LEAKING. REPLACED BOOT AND CLAMPS FOR RIGHT TEMPERATURE CONTROL VALVE DUCT. SYSTEM GROUND CHECKED NORMAL OPERATION.