As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) RUBBING BETWEEN P/N 20-2704-08-00 CONTROL STICK SUPPORT AT THE PILOTS LOCATION AND BOLT P/N AN364-428 AT END OF CONTROL ROD. APPEARS THAT THE NEW PARTS INSTALLED IN AIRCRAFT AT LATER DATES HAD A LARGER "LIGHTENING" HOLE AND THUS NO RUBBING.