What was found
STAB TRIM 2.3 EICAS MESSAGE, RTFL. REPLACED C FCC DUE TO CMC FAULT. REPLACED L AND R SRM. WILL ACP TEST FLT PER LM2531. ACCOMPLISHED A TEST FLIGHT. WORK ACCOMPLISHED INCLUDED REPLACING BOTH STABILIZER TRIM RUDDER RATIO MODULES. PLEASE TRIM THE ACFT USING BOTH THE CAPTAINS AND FIRST OFFICER'S MANUAL TRIM SWITCHES AND ALTERNATE TRIM SWITCHES. OPERATE ALL AUTO PILOTS TO ENSURE THEY ENGAGE AND STAB TRIM OPERATES. PER GMM 11-30-30 CREATE A CF ITEM FOR THIS FLIGHT. TEST FLIGHT ACCOMPLISHED , NO DEFECTS NOTED BY TEST CREW.