As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENROUTE KIN-MIA LOST LEFT HYDRAULIC SYSTEM QUANTITY. DECLARED EMERGENCY AND LANDED MIA WITHOUT INCIDENT. REPLACED LT PUMPS AND FILTERS AS WELL AS SPLIT HYDRAULIC COUPLING AT TOP OF LEFT ENGINE. SYSTEM GROUND CHECKED NORMAL OPERATION. (SW21200401055)