As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MACH TRIM AND YAW DAMPER DISENGAGED ON TAKEOFF AT 70-75 KTS. (2) ATTEMPTED TAKEOFFS. (M2B) REPLACED NR 2 MADC DUE TO INTERMITENT SPLITS. IAW MM 34-12-00. IAW FAR 91.411 + 91-413. OLD P/N: 7014700-607, OLD S/N: 0316642. NEW P/N: 701-4700-607. NEW S/N: 99093109.