As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTS "ENG TLA TRIM FAIL" ON EICAS ON A/C POWER UP. REMOVED FROM SERVICE. INTERROGATED CMC, NO FAULTS FOUND. PERFORMED FHDB DOWNLOAD REF. MCN E450009-01 ISSUE 4. PER PROPULSION, SUGGESTS AIOP MODULE & TCQ REPLACEMENT. REF L/P 1116932 FOR REPLACEMENT OF AIOP MODULE. REMOVED TCQ IAW E175 AMM 76-11-01-000-801-A. INSTALLED TCQ IAW E175 AMM 76-11-01-400-801-A OPS CHECKS GOOD. AIRCRAFT REMAINS CAT III QUALIFIED. COCKPIT PLACARD REMAINS CAT III. MAINTENANCE CONTROL NOTIFIED. RETURNED TO SERVICE.