As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) PRIOR TO DEPARTURE THE FLIGHT CREW A MACH AIRSPEED WARNING CLACKER INOPERATIVE ASSOCIATED WITH A FLAG ON THE MACH AIRSPEED INDICATOR. RECTIFICATION THE MACH AIRSPEED INDICATOR WAS REPLACED. HOWEVER THE SNAG RETURNED ON DECEMBER 29. THE SYSTEM WAS PLACED ON MEL. THE MACH AIRSPEED INDICATOR WAS REPLACED AGAIN ON DECEMBER 31. HOWEVER THE FAULT RETURNED FOR A THIRD TIME ON JANUARY 2, 2004.