What was found
DURING INSPECTION THE TECH NOTICED AN INDENTATION IN THE CO-PILOT'S YOKE SHAFT. ALTHOUGH SMOOTH, IT WAS NOTICED THAT A SUBSTANTIAL AMOUNT OF THE WALL THICKNESS WAS WORN AWAY. IF SITTING IN THE CO-PILOT'S SEAT, THE WEAR WOULD BE LOCATED AT THE 6 O'CLOCK POSITION OF THE SHAFT WEAR IT RESTS ON THE PANEL BEARINGS DURING NORMAL OPERATION. AFTER DISCUSSING THE ISSUE WITH THE MFG A TOTAL WEAR OF .009" WAS ALLOWED. THIS WEAR WAS .030". THE SHAFT WAS REPLACED. ALTHOUGH THIS IS IN A VERY EASY PLACE TO INSPECT, THE SMOOTH FEEL OF THE WEAR MAY HIDE THE SERIOUSNESS OF THE PROBLEM.