As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
YHZ - FLT 4819 - ON SHORT FINAL WITH AP DISCONNECTED AT APPROX 135 KTS IN VMC CONDITIONS THE CREW RECEIVED EICAS MESSAGES PITCH TRIM 1 AND 2 INOPERATIVE. PERFORMED FAULT ISOLATION PROCEDURES IAW ETN EM 27-022R1 NO LATCHED EICAS OR CMC MESSAGES FOUND. AS A PRECAUTIONARY PROCEDURE REMOVED AND REPLACED HORIZONTAL STABILIZER CONTROL UNIT IAW EMB 140 AMM CH 27-4-01 OPERATIONAL CHECK SATISFACTORY AT THIS TIME NO FURTHER DEFECTS NOTED. (M)