What was found
R HYD QTY EICAS MSG WITH LOW PRESS. QRH COMPLIED WITH. AFTER OPERATING THE RIGHT HYDRAULICS FOUND THE #7 GROUND SPOILER NEEDS P/N 75-2763-9-0002 UPD PHOTO. INFO FROM THE CREW AT EWR ARRIVAL: ON PREFLIGHT R HYD SYS QTY ADDED ROTABLE PARTS INFO. ACTUATOR ON THE RIGHT WING INBOARD SIDE TO BE LEAKING. WAS .9 AFTER LANDING IN EWR R HYD SYS QTY WAS .4. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1606627 SN OFF 2235 ACTUATOR, ASSY, OFF 75-2763-9-0002 2235 ON 75-2763-9-0002 1409 REMOVED AND REPLACED #7 SPOILER PCA. REF MM 27-61-02. ADJUSTMENT/TEST CHECKS GOOD AND WITHIN LIMITS. NO FAULTS DISPLAYED. LEAK CHECKS GOOD. ADD EMP:U203869 PERFORMED RII INSPECTION FOR #7 SPOILER PCA INSTALL.