As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) MINOR CORROSION NOTED ON THE EXTERNAL SURFACE OF THE TRIM DRUM (CABLE GROOVES EXFOLIATING NEAR THE CABLE INDEX PIN) ON REMOVAL OF THE TRIM DRUM SCREW ASSEMBLY THE MIDDLE PORTION OF THE JACK SCREW PN NR C2T41 WAS FOUND TO BE SEVERELY CORRODED IN THE MID PORTION OF THE ACME THREAD. THIS PART OF THE JACKSCREW IS NOT VISIBLE DURING ROUTINE MAINTENANCE, AND REQUIRES THE JACK TO BE DISASSEMBLED TO VERIFY ITS CONDITION.