As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY DECLARED. NOTICED ON CLIMBOUT THRU ABOUT 10000 FT THAT VOM INDICATOR STUCK AT 265 KTS. EVENTUALLY STUCK AT 242 KNOTS (MACH 72) AT 35000 FT. VMO STUCK SAME ON BOTH CAPTAIN`S AND F/O`S DISPLAY. AIRSPEED MATCHED AND SEEMED ACCURATE ACROSS CAPT AND F/O AND STBY. FOUND ALT VMO SWITCH IN THE ALTN POS. RESET SWITCH TO NORMAL SWITCH IAW 34-12-00. FO FURTHER FAULTS NOTED. OPS CHECKED GOOD.