What was found
AIR TURN BACK, DUE TO LOUD NOISE IN THE COCKPIT WHEN PASSING 5000 FT. INSP FOUND F/O SIDE FLIGHT DECK DRIPSHIELD DRAIN TUBE BEING TRAPPED IN THE L/E OF THE RT NR 2 SLIDE WINDOW. (THE WINDOW IS CLOSED AND LOCKED) FURTHER EXAM FOUND THE ADHESIVE DETERIORATED AND RESULTED THE DRAIN TUBE IS UNSECURED. REAPPLIED ADHESIVE BMS5-105K, TYPE V, TO SECURE THE DRAIN TUBE, NR 2 SLIDE WINDOW OPEN/CLOSE FUNCTION CHECK WAS NORMAL.