As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ORD INFLIGHT T1740/22MAY LT HYDRAULIC QUANTITY INDICATION FOLLOWED BY LOSS OF LT SYSTEM HYDRAULIC PRESSURE. RUDDER TRIM DID NOT WORK DURING INITIAL APPROACH. AFTER TWO ATTEMPS RUDDER TRIM WORKED NORMALLY. LANDED ORD WITHOUT INCIDENT. REPLACED LT MAIN LANDING GEAR DOWN LOCK ACTUATOR AND LEFT MAIN LANDING GEAR DOWN LOCK ACTUATOR HYDRAULIC LINE. SYSTEM GROUND CHECKED NORMAL OPERATION. (A)