What was found
AFTER TOUCHDOWN GOT A R HYD PRIM PUMP EICAS, RAN QRH, CONTINUED TAXI, DURING TAXI GOT A R HYD SYS PRESS EICAS, RAN QRH LOST SOME BRAKING, SO ELECTED TO GET TOW IN GATE. SHGN 10APR24 17:37 MEM AMM: 29_11_00_2_0 VERVIFIED AT RIGHT SYSTEM HYD RESERVOIR SIGHT GLASS THAT THE RES. IS SHOWING EMPTY. FURTHER TROUBLESHOOTING REQUIRED. SHGN 10APR24 17:49 MEM NRR: NO REFERENCE REQUIRED NOTE: VERBAL FROM THE FLT CREW WAS THEY THOUGHT PART OF THE PIREP WENT THROUGH IN WRENCH. HOWEVER THAT DID NOT TAKE PLACE. THEY INDICATED THAT THE INITIAL PROBLEM/ HYD QTY LOSS AND LOW TO 0 PRESSURE INDICATION OCCURED ON FINAL, QRH WAS FOLLOWED. PRESSURE INITIALLY RESTORED WITH ELECTRIC PUMP BUT PRESSURE FLUCTUAT