What was found
STAB TRIM AND MACH TRIM CAUTION MESSAGE RECEIVED IN FLIGHT. RETURNED TO BOI. CLEANED STAB TRIM DISCONNECT SWITCHES. PERFORMED FUNCTIONAL CHECK OF STAB TRIM SYSTEM. FUNCTION CHECKS GOOD IAW 27-40-00.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
STAB TRIM AND MACH TRIM CAUTION MESSAGE RECEIVED IN FLIGHT. RETURNED TO BOI. CLEANED STAB TRIM DISCONNECT SWITCHES. PERFORMED FUNCTIONAL CHECK OF STAB TRIM SYSTEM. FUNCTION CHECKS GOOD IAW 27-40-00.