As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ACFT DIVERTED, DUE TO NR 1 ENGINE IDG ON MEL INOP AND APU AUTO SHUTDOWN IN FLIGHT DUE TO LOW OIL. APU OIL LEAK FOUND ON ITEM1, LOGPAGE 86747, DUE TO FAULTY O-RING AT OIL FILL CAP, FOUND APU OIL CAP DOWN AND LATCHED. SERVICED APU WITH 4 QTS OF OIL AND REPLACED FAULTY O-RING. RAN APU NO LEAKS NOTED. OPS CKS OK.