As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW INFLIGHT LAX-GRU CREW REPORTED LT ENG OIL DECREASING AT ALTITUDE. EMERGENCY DECLARED FLIGHT DIVERTED DFW LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED TORN LT ENG OIL CAP O-RING. SYS GND CHECKED NORMAL OPERATION CLOSED.