As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ORD INFLIGHT T2340/11JUN. CREW REPORTED LT HYDRAULIC QUANTITY LOSS ON DESCENT. CREW TURNED HYDRAULIC PUMP OFF FOR LT HYDRAULIC SYSTEM. LANDED ORD WITHOUT INCIDENT. AIRCRAFT TAXIED TO GATE UNDER ITS OWN POWER. REPLACED HYDRAULIC LINE ON LT THRUST REVERSER CONTROL VALVE. SYSTEM GROUND CHECKED NORMAL OPERATION. (A)