As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE FLT CREW, FOUND THE ELEVATOR TRIM TABS FROZEN WHEN THEY LEVELED OFF AT CRUISING ALTITUDE. WHEN THE AIRCRAFT LANDED, THE FREEZING ELEVATOR TRIM TABS WERE WRITTEN UP. MAINTENANCE LUBED THE ELEVATOR TRIM TAB ACTUATORS. OPS CHECKED GOOD MANUALLY AND ELECTRICALLY. AFTER SUBSEQUENT FLIGHTS NO OTHER PROBLEMS WERE NOTED. (M)