What was found
Y RSVR LO LVL DISPLAYED ON UPPER ECAM SCREEN. - HYD RECIEVED ECAM ON T/O AFTER POWER BROUGHT UP DEBRIEFED CREW, PUMPS RUN TIME DID NOT EXCEED 5 MINUTES AFTER RUNNING. PERFORMED INSPECTION OF DPI REF 29-00-00-280-006. NO LOW LEVEL WARNING. UPON INSPECTION FOUND ORING FOR FIN ID 3094GM DEFECTS NOTED.PARTS USED: 40-0595-3-1665,QTY :1 CHECK VALVE EXTRUDED. REMOVED AND REPLACED REF AMM 29-00-00-910-003. LEAK CHECK GOOD WITH YELLOW, AND ALL SYS INFORMATION ONLY UPDATE. FLAGGING AS SDR