As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ENGINE GEN NR 2 INOP - DISPATCHED IAW MEL 24-11-1-2 ON THE FLT. (APU GEN REQUIRED TO OPERATE CONTINUOUSLY DURING FLT) DURING FLT APU OIL TEMP CAUTION MSG APPEARED. DIVERTED. APU HAS BEEN REPAIRED AND AIRCRAFT RETURNED IN SERVICE.