What was found
IN CRUISE FL410 PITCH MIS TRIM LIGHT ILLUMINATED, DISENGAGE A/P IAW CHECK LIST. CONFIRMED BOTH LT & RT ELEC TRIM FROZEN & MANUAL TRIM ALSO FROZEN IN PLACE. ON TAXI IN ATTEMPTED MANUAL TRIM & IT WORKED NORMAL. REMOVED LT & RT ELEVATOR TRIM ACTUATORS PN 6660161-20, NSN & PN 6660161-14, NSN & INSTALLED NEW UNITS PN 6660161-20, NSN & PN 6660161-14. PERFORMED SATISFACTORY FT & RIGGING CHECK. OPERATIONS CHECKED NORMAL, ALL WORK DONE IAW CE-560XL MM 27-32-03.