As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CAPTAIN REPORTED THAT MESSAGE (SPD LIM FLAG IN PFD) WAS SHOWN. REPORT WAS DEFERRED IAW MEL 34-2-1. AIRCRAFT RETURNED TO PLATFORM BECAUSE OF MACH TRIM, AUTO SLAT, LIGHT SPEED TRIM AND YAW DAMPER FAILED. FIM 22-11 TASK 810-811 WAS PERFORMED AND THE SMYD WAS REPLACED IAW MM 27-32-21, TESTED CORRECT, DEFERRED REPORT WAS CLOSED.