As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB AFTER 10000' OUR AIRSPEED INDICATOR LIMIT VMO DID NOT GO ABOVE 265KTS. DX AND MX REQUESTED DIVERSION TO CVG(<P>FOUND VMO (5591) SWITCH IN MEC IN THE ALTERNATE POSITION, PLACED SWITCH BACK IN NORM POSITION IAW AMM 32-00-00.</P>)