As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCI FLIGHT 2986 - THE CREW REPORTED A PACK 1 OVERLOAD IN FLIGHT EVEN AFTER 5 RESETS. THE MESSAGE REOCCURRED EVEN WHEN PACK 1 WAS DESELECTED. THE ACFT RETURNED TO MCI AND LANDED WITHOUT INCIDENT. THE SYSTEM WAS PLACED ON MEL. ON 7/13/08 THE NR 1 PACK OVERTEMP SWITCH WAS REPLACED AND OPERATIONAL CHECKS WERE GOOD. (S)