As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
A NEWLY OVERHAULED ELEVATOR TRIM TAB ACTUATOR WAS BINDING AND WOULD NOT PROVIDE ADEQUATE DEFLECTION AT THE TRIM TAB ONCE INSTALLED. FURTHER INVESTIGATION REVEALED THAT THIS ACTUATOR HAD EXCESSIVE PLAY AT THE END BEARINGS AND THAT THE PRIMARY SPROCKET PN WAS INCORRECT RELATIVE TO THE ASSEMBLY PN. THIS ASSEMBLY WAS OVERHAULED UNDER WORK ORDER NR 15356 ON 4/2/2002. THE ITEM WAS RETURNED TO THE OVERHAULING AGENCY FOR WARRANTY REPAIR.