What was found
LEFT PILOT CONTROL COLUMN HAS CHAFING MARKS FROM THE AILERON CABLE INSIDE COLUMN. REMOVED PILOT'S CONTROL COLUMN. MACHINED AND BLENDED DAMAGED AREA. ALODINED AND PRIMED AS REQUIRED. RE-INSTALLED PILOT'S CONTROL COLUMN. PERFORMED ALL FLIGHT CONTROL TRAVEL TESTS AND CHECKS AS REQUIRED. REFERENCE ED5367714, IAI ENGINEERING DWG 4A5532011 0-502A02, MM 27-10-06, 27-10-85, 27-30-60, 27-40-00. REMOVED CO-PILOT'S CONTROL COLUMN.