As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STAB TRIM AND MACH TRIM CAUTION CAS MSG`S IN FLIGHT WITH FLAPS 45 ON SHORT FINAL. STAB TRIM AND MACH TRIM WILL NOT RE-ENGAGE. C/W QRH AND STAB TRIM AND MACH TRIM RE-ENGAGED ON GROUND. REMOVED AND REPLACED CAPT STAB TRIM DISCONNECT SWITCH IAW AMM 27-40. OPS CHECK GOOD. (K)