What was found
STAB TRIM AND MACH TRIM CAUTION MESSAGE. STAB TRIM WOULD NOT ENGAGE. (FLIGHT NR 2534) REPLACED F/O TRIM DISCONNECT SWITCH IAW AMM 27-41-30. OPS CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
STAB TRIM AND MACH TRIM CAUTION MESSAGE. STAB TRIM WOULD NOT ENGAGE. (FLIGHT NR 2534) REPLACED F/O TRIM DISCONNECT SWITCH IAW AMM 27-41-30. OPS CHECK GOOD.