As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RDU - CREW REPORTED DURING CLIMBOUT LEFT ENGINE OIL PRESSURE INDICATION WENT TO ZERO. PERFORMED IN-FLIGHT SHUTDOWN OF LEFT ENGINE (SINGLE ENGINE TIME 24 MINS). EMERGENCY DECLARED FLIGHT RETURNED RDU LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED LEFT ENGINE AT RDU ON 05/20/2012. SYSTEM GROUND CHECK NORMAL OPERATION.