As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CREW REPORTED THAT ON THE CLIMB THE MAIN PITCH TRIM FAILED. DECLARED AN EMERGENCY AND RETURNED TO DEPARTURE AND LANDED WITHOUT INCIDENT. ACFT REMOVED FROM SERVICE. R & R THE TRIM CONTROL PANEL AND PERFORMED OPS TEST OF HORIZONTAL STABILIZER SYS IAW AMM 27-40-00. THE OPS CHECK WAS GOOD. THE ACFT WAS RETURNED TO SERVICE.