As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DIVERTED TO MYR, CRUISE FLIGHT, APU OIL TEMP HIGH ILLUMINATED. FOLLOWED QRH PROCEDURES AND CONSULTED WITH DISPATCH/ DIVERTED TO MYR. FOUND APU OIL OVERSERVICED, DRAINED OIL FROM TANK TO FULL MARK. STARTED APU AND NO FURTHER DEFECTS NOTED. LOADED APU WITH ELECTRICAL AND AIR.