What was found
MACH TRIM & STAB TRIM MASTER CAUTION MESSAGES. REPLACED CAPTAIN'S TRIM DISCONNECT SWITCH. OPERATIONAL CHECK GOOD IAW CRJ200 MM 27-41-00.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
MACH TRIM & STAB TRIM MASTER CAUTION MESSAGES. REPLACED CAPTAIN'S TRIM DISCONNECT SWITCH. OPERATIONAL CHECK GOOD IAW CRJ200 MM 27-41-00.