As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
A/C 613 - FLT 1856 (DFW-TPA): MEM OPS CALLED TO LET US KNOWA/C DIVERTING TO THEIR STATION WITH ENGINE SHUTDOWN AND WILL BE ON GROUND IN 10 MINUTES. CREW CALLED 20 MINUTES LATER, NR 2 ENGINE OIL QTY WENT TO ZERO AND PRESSURE STARTED HEADING DOWN SO CREW WENT TO IDLE, NO HELP. OIL PRESSURE HIT RED AND CREW SHUTDOWN ENGINE. ENGINE WINDMILLED JUST UNDER 15 MINUTES. REPLACED ENGINE.