As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 4 OIL TEMPERATURE WAS 150 DEGREES FOR 10 MINUTES. SHUT NR 4 ENGINE DOWN. AFTER ENGINE SHUT DOWN OIL TEMPERATURE AND QUANTITY DECREASED. OIL PRESSURE WAS 15 PSI AFTER SHUT DOWN. REPLACED NR 4 ENGINE OIL COOLER BYPASS VALVE. OPS AND LEAK CHECKED GOOD.