What was found
DURING FLIGHT 1901, FOUND RUDDER TRIM INOP. DUMPED 5,000 LB OF FUEL AND ACCOMPLISHED AIR TURNBACK TO ANC. AIRCRAFT LANDED WITHOUT INCIDENT. INSPECTED RUDDER TRIM, FOUND TRIM SWITCH STICKING. REMOVED TRIM SWITCH, CLEANED AND REINSTALLED UNIT, SYTSTEM OPS CHECKED GOOD PER MM CH 27-21-00.