As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PRIMARY STAB TRIM INOP ON CLIMBOUT. BECAME INTERMITTENT AS AIRSPEED WAS DECREASED. REMOVED AND REPLACED PRIMARY STABILIZER TRIM ACTUATOR WITH OVERHAULED UNIT, AND RIGGED STABILIZER AND EICAS POSITION INDICATION. ALL OP CHECKS NORMAL IAW MM 27-40-00.