What was found
SEA - DURING C-CHECK, THE RUDDER LEFT AND RIGHT SIDES WERE FOUND TO HAVE ETCHED AND CRACKED PAINT. ON FURTHER EVALUATION IT WAS DETERMINED THAT THE OUTER PLIES OF GRAPHITE WERE FOUND TO BE PEELING AND SPLINTERING. REMOVED AND REPLACED RUDDER. REMOVED RUDDER WAS SENT TO NORDAM FOR EVALUATION AND REPAIR. THE RUDDER WAS SUBSEQUENTLY EXCHANGED BY NORDAM AND ALASKA AIRLINES RECEIVED A NEW RUDDER. (M)