What was found
AS RECEIVED FROM THE MANUFACTURER RIGHT AND LEFT ENGINE 10TH STAGE BLEED AIR SHUT-OFF VALVES WERE NOT CORRECTLY ORIENTATED PER MM INSTALLATION TASK 36-11-01-400-801. BOTH VALVES ON ALL 4 WE MAINTAIN REQUIRED RE-POSITIONING TO THE CORRECT 45 DEGREE ORIENTATION. ORIGINALLY POSITIONED AT 0 DEGREES. WITHOUT PROPER ORIENTATION OF THE VALVES, DRAIN HOLES WILL NOT ALLOW MOISTURE IN THE SYSTEM TO ESCAPE. THE EXCESS OF MOISTURE CAN CAUSE PREMATURE FAILURE OF THE SHUT OFF VALVE. NOTE: 1.SUBMITTER INFORMATION (C)REGISTRATION IS THE FIRST AIRCRAFT INSPECTED FOR PROPER ALIGNMENT.