As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON LEVEL OFF FL330, THE FMC FAILED TO SWITCH FROM CLIMB TO CRUISE N1 AND RESULTED IN AN OVERSPEED OF MACH .823. ACFT GROUNDED. PERFORMED AMM TASK 05-51-04-210-801 OVER SPEED WITHIN LIMITS. NO FURTHER ACTION REQUIRED. PERFORMED FMC BITE PROCEDURE FIM TASK 34-61-00-02-801, NO FAULTS FOUND.