As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAX-LAS - FLT 74 - AIR TURNBACK, STABILIZER TRIM WAS INOPERATIVE WITH YOKE TRIM SWITCHES (BOTH CAPT AND F/O). ACFT RETURNED TO LAX AND LANDED WITHOUT FURTHER INCIDENT. CONTRACT MX REPLACED STAB TRIM MOTOR ACTUATOR IAW AWA TASK CARD R6C27001, NO DEFECTS NOTED. ACFT RETURNED TO SERVICE. (W)