As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - CREW REPORTED DURING CLIMBOUT, LEFT ENGINE OIL PRESSURE INDICATION DROPPED TO ZERO WITH QUANTITY NORMAL. LEFT ENGINE SHUT DOWN (SINGLE ENGINE TIME 7 MINS). EMERGENCY DECLARED FLIGHT RETURNED DFW LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED LEFT ENGINE AT DFW ON 09/26/2011. SYSTEM GROUND CHECK NORMAL OPERATION.