What was found
THE AIRCRAFT WAS GROUNDED. CREW REPORTS AFTER TAKEOFF CAPTAIN’S YOKE HAD VIBRATION AND GRINDING FEEL AT ALL TIMES. CMD A AUTOPILOT WOULD NOT ENGAGE. YOKE HAS SLOP TOO. NOTICED SLOP IN LEFT TURN ABOVE 1500" COPILOT FELT A LITTLE VIBRATION GRINDING IN HIS YOKE TOO. THE FLIGHT DECLARED AN EMERGENCY AND LANDED WITHOUT FURTHER INCIDENT. ACCOMPLISHED DFCS BITE CHECK. REPLACED MCP AND ACCOMPLISHED REQUIRED TESTS. ALL TESTS PASSED IAW AMM 22-11-34, AFS CKS OK. ACCOMPLISHED FIM 27-11-00-810-801 HIGH CONTROL WHEEL PLAY, NO DISCREPANCIES NOTED.