What was found
RUDDER RATIO EICAS MESSAGE ON DURING CLIMB REPLACED RH RUDDER RATIO MODULE REF AMM 27-09-00, CLEARED EICAS MSG. APPLY PLA 02700 TO ECS MAINTENACE MESSAGE. MAINT MSG FOR RUDDER RATIO, PLA 02700 APPLIED IPC REFERENCE 27-09-01 APPLIED PLA TO ECS RUDDER RATIO MAINTENACE MSG. FURTHER DETAILS AWAITED.FOR CABIN ALT WARNING, AS PER LP 6378758, REPLACED BOTH PRESSURE CONTROLLERS PRECAUTIONARY REF. OPS GOOD. FOUND FLAPPER DOOR ON AC CART SERVICE TUBE HINGE BROKEN. REPLACED DUCT ASSY REF IPC. OPS AND LEAK CHECKED GOOD. CABIN PRESSURIZATION CHECK GOOD