As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING THE REPLACEMENT OF THE PITCH TRIM ACTUATOR, WE ENCOUNTERED DIFFICULTY RIGGING AND PERFORMING THE OPERATIONAL CHECK OF THE ACTUATOR. UPON FURTHER INSPECTION, THE TECHNICIAN FOUND THAT THE ELECTRIC TRIM AND MANUAL TRIM CABLES WERE INTERTWINED INBOARD OF PANEL PN 1232016-6 (610AB) ON THE LOWER RH HORIZONTAL STABILIZER. THE BEST ILLUSTRATION OF THIS IS IN THE 206 IPC 22-10-00 FIG 5.