What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO PBI. ON CLIMB OUT A VERY LOUD NOISE COMING OUT THE FIRST OFFICERS SIDE WITH HEAVY VIBRATION. THE AIRCRAFT LANDED SAFELY AT PBI WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND FIRST OFFICERS SIDE #3 FIXED WINDOW TO HAVE MISSING SPEED TAPE AND SEALANT. RE-SEALED WINDOW, APPLIED SPEED TAPE AND PRESSURIZED AIRCRAFT PER AMM 05-53-00-780-002-A01 AND AMM 56-11-12 WITH NO AIR LEAKS OR SQUEALS.