As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STABILIZER STATUS MESSAGE POSTED AFTER TAKEOFF. ENGAGED AND SHORTLY AFTER STAB TRIM/MACH TRIM CAUTION MESSAGED POSTED. RESET PER QRH, 60 SECONDS LATER STAB/MACH TRIM POSTED AGAIN. ONLY STAB 2 WAS ABLE TO BE ENGAGED. REMOVED AND REPLACED HSTCU IAW AMM 27-41-01. OPS CHECKS GOOD.