What was found
AT CRUISE R OIL PRESS WARNING ILLUMINATED ALONG WITH UNCOMMANDED RUDDER MOVEMENTS TO THE LEFT AND RIGHT. OIL PRESSURE ON RIGHT ENGINE SHOWED 64 AND LEFT WAS 69. DISCONNECTED A/P AND RAN QRH FOR R OIL PRESS. AFTER RIGHT ENGINE WAS AT IDLE R OIL PRESS LIGHT CAME BACK ON WHICH LED TO RIGHT ENGINE SHUTDOWN PER QRH. AFTER SECURING RIGHT ENGINE CONTINUED TO HAVE UNCOMMANDED RUDDER MOVEMENTS. R/R RH ENG OIL PRESSURE SWITCH IAW AMM 79-31-03 OPS CHECK GOOD. PERFORMED OPS CHECK OF RUDDER CONTROL SYSTEM IAW AMM 27-21-00. OPS CHECK GOOD. NO DEFECTS NOTED AT THIS TIME.