What was found
AIRCRAFT WAS GNDED. EMER DECLARED, LANDING UNEVENTFUL & ACFT NOT OVERWEIGHT. DURING FLIGHT MULTIPLE SYSTEMS BECAME UNAVAILABLE, INCLUDING MACH TRIM, SPEED TRIM, AUTO THROTTLE & CAPTAINS FLIGHT DIRECTOR. ACCOMPLISHED BITE OF FLIGHT CONTROL COMPUTER A WITH FAULTS 22-11303, 22-11306, 22-11309, 22-11315 & 22-11335 RETURNED. R & R FLIGHT CONTROL COMPUTER A IAW AMM 22-11-33. ACCOMPLISHED SUCCESSFUL MACH TRIM TEST IAW AMM 22-11-24.