As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SAT - FLT 1156 - EN ROUTE MEX-DFW, DETECTED LEFT ENGINE OIL LOSS TO THREE QUARTS. DIVERTED SAT AND LANDED WITHOUT FURTHER INCIDENT. REPLACED OIL PUMP ASSEMBLY. ACCOMPLISHED HIGH POWER ENGINE RUN UP. NO LEAKS NOTED SYSTEM GROUND CHECKED NORMAL OPERATION. (M)