As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDIS 639 27-41 2161322 18MAR20 PHL CLOSE MAIN PITCH TRIM INOP ON EICAS DURING FLIGHT 24848 00 MDC FACT 18MAR20 11:34 PHL REMOVED AND REPLACED HORIZONTAL STAB CONTROL UNIT IA W EMB 145 AMM 27-40-01 OPERATIONAL TEST SATISFACTORY OK FOR SERVICE