As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - LEFT ENGINE OIL PRESSURE LIGHT CAME ON WITH PRESSURE SHOWING ZERO. CREW SHUT DOWN LEFT ENGINE. SINGLE ENGINE TIME 10 MINUTES. EMERGENCY DECLARED RETURNED DFW WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REMOVED AND REPLACED LEFT ENGINE DUE TO OIL PRESSURE OUT OF LIMITS. SYSTEM GROUND CHECKED NORMAL OPERATION.