As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CREW RECEIVED AN APU OIL TEMP CAUTION WITH THE NR 2 IDG ON DEFERRAL. THE AIRCRAFT DIVERTED AND DECLARED AN EMERGENCY AND LANDED WITHOUT INCIDENT. MAINTENANCE CHECKED THE APU OIL LEVEL AND DELTA P WITH NO DEFECTS. OPERATIONAL CHECK GOOD. / 209