AN EMB140 HAD THE R AILERON POWER UNIT HYDRAULIC MANIFOLD REPLACED AND RELEASED FOR SVC. REQUIRED INSPECTION ITEM. INSPECTION NOT ACCOMPLISHED.

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UPON INSPECTION OF ACFT BY MYSELF; MR X; AND MR Y; WE DETERMINED THE LEAK WAS COMING FROM #2 HYDRAULIC SYSTEM AILERON MANIFOLD ASSEMBLY. IN COMMUNICATION WITH MAINT CTL; MR X ASKED IF IT REQUIRED AN RII INSPECTION AND WAS INFORMED BY MAINT CTL IT WAS NOT REQUIRED ON COMPLETION OF REPAIR. NEW MANIFOLD ASSEMBLY WAS INSTALLED IN ACFT. OPS CHK GOOD.SUPPLEMENTAL INFO FROM ACN 682876: WHEN WE GOT BACK TO THE HANGAR WE WERE TALKING TO THE QUALITY CTL INSPECTOR AND HE INFORMED US THAT THE ITEM WAS RII AND HE WOULD INFORM THE COMPANY THAT THERE WAS A PROBLEM. I REALIZE THAT WE SHOULD HAVE KNOWN THE ITEM WAS RII; BUT WE WERE WORKING AWAY FROM OUR BASE ON A ROAD TRIP AND MAINT CTL REPRESENTATIVE INFORMED US THAT IT WAS NOT.SUPPLEMENTAL INFO FROM ACN 682877: WE HAD NO ACCESS TO MAINT MANUALS; OR RII LIST; AND WE RELIED ON MAINT CTL FOR ALL OF THE PROPER PROCS AND INFO TO COMPLETE THE TASK. THEY FAILED TO GIVE US ALL THE NECESSARY INFO TO PROPERLY PERFORM THE TASK; INCLUDING THAT THIS ITEM WAS AN RII.