As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER PUSH BACK DURING MASTER CAUTION RECALL THE MACH TRIM FAIL LIGHT ILLUNINATED AND TURNS OFF WHEN MASTER CAUTION SYSTEM RESET. ACFT GROUNDED. PERFORMED FIM 22-11, TASK 801, MT FAIL LIGHT ON WHEN MASTER CAUTION SWITCH IS PUSHED. CHECKED GOOD. OPS NORMAL. IAW FIM 22-13 TASK 816.