As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER REACHING CRUISE, APU SHUTDOWN FAULT INDICATED. APU OIL QTY ADD FOLLOWING PROCEDURE ATTEMPTED TO RESTART, DID START & THEN IMMEDIATELY SHUTDOWN WITH FAULT. DIVERTED. FOUND APU GEN CASE CRACKED & LEAKING OIL. R & R GEN & SERVICED APU OIL. OPS & LEAK CHECKED GOOD IAW AMM 24-21-01.