What was found
DURING HEAVY CROSS WINDS, USING THE NR 2 AUTOPILOT, TWO MISSED APPROACHES WERE MADE. DIVERTED AND LANDING WAS UNEVENTFULLY WITH NR 1 AUTOPILOT. PERFORMED A FLIGHT FAULT REVIEW, FIRST APPROACH, AUTOPILOT CAPTURED LOC 2 GLIDESLOOP THEN WENT TO VERT SPEED. RECAPTURED, THEN WENT TO VERT SPEED AND HEADING HOLD. SECOND APPROACH, AUTO PILOT KICKED OFF SWITCHED TO NUMBER 1 FGC AND WORKED FINE NEXT APPROACH. REPLACED THE NR 2 DIGITAL FLIGHT GUIDANCE COMPUTER IAW AMM 22-01-01. THE AIRCRAFT WAS GROUNDED.