As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER START OF BOTH ENGINES. ON RECALL, SPEED TRIM FAIL LIGHT ILLUMINATED. OFF ON RESET. ACFT GROUNDED. ACCCOMPLISHED DFCS BITE LIBRARY NT 33 & 34, PSEU SHOWS NO CURRENT FAULTS. RESET THE CIRCUIT BREAKER MACH TRIM AC & DC AT P6-2, FCC DC CB AT P6-2.