What was found
LEFT COCKPIT WINDOW ON CLIMBOUT LOUD SQUEEL WINDOW VERIFIED CLOS ED LOCKED CAPT REPORTS OUT OF 9000 THE NOISE STARTED AND AT 13000 IT WAS UNBOREABLE ON DECENT THE NOISE WENT AWAY AROUND 205 KNOTS DURING CLIMB OUT CAPTAINS NR 2 WINDOW BEGAN A LOW WHISTLE SOUND, CREW CLIMBED UP TO 13,000 FEET AND WHISTLE BECAME VERY LOUD. SOUND CAME FROM UPPER RIGHT SIDE OF WINDOW. NO DAMAGE IS NOTED TO WINDOW OR FRAME. PERFORMED CABIN PRESSURE LEAK TEST IN REF TO AMM 05-51-91-790-801. LEAKS FOUND IN UPPER AND LOWER FORWARD CORNER AND AFT LOWER CORNER OF CAPTAINS NR 2 OPENABLE WINDOW. L2 WINDOW REMOVED AND REPLACED REF AMM TASK 56-12-11-000/400-801. OPS CHECK GOOD, OK TO CONTINUE.