What was found
BTB, DUE TO RUDDER RATIO LIGHT ILLUM ON GROUND EICAS MSG RUDDER RATIO DISPLAYED. PERFORMED FIM 27-21-00. FOUND BOTH PCA FAULT BALLS ON RUDDER RATIO MODULES. CLEARED FAULT BALLS. PERFORMED FIM 27-09-00, RUDDER RATIO SYS OPS NORMAL, MSG EXTINGUISHED, NO FAULTS AT THIS TIME. OK FOR SERVICE.