What was found
ON TAKEOFF ROLL AT V1, TO VR F/O'S V SPEEDS DID NOT APPEAR ON SPEED TAPE, ONCE AIRBORNE F/O'S FLIGHT DIRECTOR WORKED. FLIGHT DIRECTOR ON F/O'S SIDE WOULD NOT WORK IN VNAV OR LNAV, BUT WORKED IN LEVEL CHANGE, VERTICAL SPEED, ALT HOLD, AND HDG SELECT. ON THE CDU SCRATCH PAD A, VERIFY POST, FMC-FMC WAS DISPLAYED AND POS SHIFT, PAGE 3/3 SHOWED A LT FMC POST, BUT BLANK FOR FMC-R. BOTH ASI DISPLAY FMC-L, FMC-R. F/O'S MAP DID NOT SHOW ROUTE. ACFT GROUNDED. PRECAUTIONARY REPLACED RT FMC COMP. REMOVED AND INSTALLED NEW RT FMC COMPUTER. AMM 34-62-02. ACCOMPLISHED RT FMC OPS TEST REF AMM 34-61-02 AND INSTALLED ALL APPLICABLE SOFTWARE REF AMM 34-61-008/201. ALL TESTS PASSED.