What was found
(CAN) ON MAY 31ST 2012 FOUND AN AWI LEAK ON RT CTR SECTION. ON FURTHER INVESTIGATION IT WAS FOUND THAT THE AWI REGULATOR VLV O RING THAT SEALS THE VLV HALVES, POPPED OUT OF THE VLV BODY. THE VLV WAS REPLACED WITH AN OVERHAULED UNIT FROM STOCK & ALL FUNCTIONAL CHECKS AS DICTATED BY THE MM WERE FOLLOWED. THE ACFT WAS RELEASED FOR SERVICE. ON JUNE 9TH THE PROBLEM REOCCURRED & THE VLV WAS CHANGED AGAIN, THIS TIME WITH A NEW ITEM FROM STOCK. ON JUNE 12TH IT HAPPENED YET AGAIN & AGAIN THE VLV WAS REPLACED WITH THIS TIME A REMOVED SERVICEABLE UNIT FROM ANOTHER ACFT. THE MFG M7 WAS CONTACTED BY ONE OF OUR CREW CHIEFS & IS AWAITING A RESPONSE.