What was found
PERFORMING A PHASE 1 INSPECTION, IT IS REQUIRED TO PERFORM A FUNCTIONAL CHECK OF THE PASSENGER OXYGEN SYSTEM. THE TEE HANDLE CONTROL WAS PULLED TO MANUALLY DEPLOY AND FLOW THE PASSENGER OXYGEN MASKS. THE MASKS DID NOT DEPLOY AND THERE WAS NO OXYGEN FLOW. FURTHER INVESTIGATION REVEALED THAT THE CONTROL CABLE WAS CONNECTED TO THE PASSENGER OXYGEN SHUT OFF VALVE AND THE CONTROL CABLE WAS BROKEN SOMEWHERE IN THE MIDDLE. THE CONTROL CABLE WAS REPLACED WITH NEW AND PASSEGER OXYGEN SYSTEM OPERATIONAL CHECKED NORMAL.