What was found
"A" AUTOPILOT WOULD NOT DISENGAGE BY USING THE AUTOPILOT DISENGAGE SWITCH ON CAPT'S YOKE. GROUNDED - YES. DUE TO HISTORY, REPLACED CAPT'S AUTOPILOT DISENGAGE SWITCH AFTER VERIFYING IT WAS INOP, REF AMM 22-11-41. INSTALLATION TEST SUCCESSFUL. ACCOMPLISHED AUTOPILOT DISENGAGE SW INSTALLATION TEST, OPS NML REF AMM 22-11-41-400-80. ACCOMPLISHED LAND VERIFY TEST, GRP BITE 49, ALL TEST PASSED REF AMM TASK 22-11-00 TASK 801.