What was found
AIRCRAFT NOT GROUNDED - AUTOPILOT A DISCONNECTED IN DESCENT AND OUT OF TRIM. RETRIMMED AND USED AUTOPILOT B NORMALLY. MEL 08-607D-C: ONE AUTOPILOT SYSTEM AUTHORIZED. AUTOPILOT A SELECTED AT APROX. 8000 FEET DURING CLIMB. A FEW SECONDS LATER, AIRCRAFT JERKED TWICE, THEN 30 SECONDS LATER, AUTOPILOT A DISCONNECTED. ACCOMPLISHED DFCS (DIGITAL FLIGHT CONTROL SYSTEM) BITE CHECK, PER FIM 22-11-00. PASSED LAND VERIFY TEST, PER FIM 22-11-00. PERFORMED HUD INTERNAL BUILT-IN TEST (IBIT), PER AMM 34-36-00. OPERATIONAL CHECKS GOOD, CLEARED MEL.