As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EWR FLIGHT 2403, THE CREW REPORTED THE PITCH TRIM 1/2 WAS INOPERATIVE. THE AIRCRAFT RETURNED AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED AND REPLACED THE HORIZONTAL STABILIZER CONTROL UNIT. OPERATIONAL CHECKS WERE GOOD. THE AIRCRAFT RETURNED TO SERVICE.