What was found
STAB TRIM CAUTION ON TAKEOFF AT FLAPS 8 RAN APPROPRIATE QRH, MESSAGE DID NOT CLEAR FLIGHT 6058 - FILED CLOSEDWHILE ATTEMPTING TO ENGAGE STAB TRIM CHANNELS 1 AND 2, FOUND THAT THE STAB TRIM CAUTION MESSAGE WOULD REPOPULATE AFTER A SECONDINTERROGATED MDC AND FOUND HSTCU LABEL 350-BIT 18 SET, CO-PILOT TRIM DISCONNECT SWITCH FAILREMOVED CO-PILOTS PITCH DISCONNECT SWITCH AND FOUND A BROKEN WIRERESOLDERED AND REINSTALLED CO-PILOTS PITCH DISCONNECT SWITCH IN REF WITH CRJ200 AMM 27-41-30OPS CHECK GOODSTAB TRIM AND MACH TRIM CAUTION MESSAGES NO LONGER REPOPULATE AFTER ENGAGING