As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE LT CSD OIL TEMPERATURE ROSE INTO THE YELLOW BAND. THE APU WAS PREVIOUSLY DEFERRED INOPERATIVE PER MEL. MAKE AN UNSCHEDULED LANDING AT MCI. FOUND OIL TRANSFERRING FROM THE GEARBOX TO THE CSD. REPLACED THE CSD P/N 696233B. ALSO CORRECTED THE APU BY REPLACING THE OVERSPEED STOP RELAY, P/N 306366-2. CHECK-C 10-14-00.