As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MIA - CREW REPORTED LEFT ENGINE OIL PRESSURE TO ZERO AND OIL QUANTITY AT ZERO. LEFT ENGINE WAS SHUT DOWN (SINGLE ENGINE TIME 30 MINS). EMERGENCY DECLARED FLIGHT RETURNED MIA LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. FOUND RADIAL DRIVE SHAFT SEAL TORN WHERE OIL LEAKED OUT AND THRUST REVERSER COWLS BURNT AT SIX O`CLOCK POSITION. REPLACED LEFT ENGINE 4/20/2012 AT MIA. SYSTEM GROUND CHECK NORMAL OPERATION.