What was found
CRACKLNG NOISE DURING CLIMB AND DESCENT. NOISE APPEARED TO BE COMING FROM OVERHEAD AREA IN THE FLIGHT DECK. COMPLIED WITH GVI OF WINDSHIELD'S AND SIDE WINDOWS, NO DEFECTS NOTED. RETORQUE SIDE WINDOWS AND WINDSHIELDS IAW AMM 56-10-06, TASK 56-10-06-400-801 AND 56-10-01 TASK 56-10-01-400-801. FOUND RT SIDE WINDOW WITH SEVERAL LOOSE SCREWS LOWER ROW AND FOUND LT SIDE WINDOW WITH SEVERAL LOOSE SCREWS UPPER ROW. PRESURIZED ACFT AND NO NOISES ON FLIGHT DECK AT THIS TIME. RETURNED TO SERVICE.