What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED RETURNED TO CLT. WHILE CLIMBING THRU 5000 FEET, THE FLIGHT CREW HEARD A BANG FOLLOWED BY THE SOUND OF AIR RUSHING ABOVE. THE FLIGHT CREW THOUGHT THYE HAD HIT SOMETHING AND SUBSEQUENTLY BELIEVED THERE WAS A HOLE IN THE FUSELAGE. THE AIRCRAFT LANDED SAFELY AT CLT WITHOUT FURTHER INCIDENT AND TAXIED TO THE GATE UNDER ITS OWN POWER. UPON ARRIVAL THE FLIGTH CREW SAW THAT SOME SPEED TAPE OVER THE FLIGHT DECK HAD PEELED AWAY. MAINTENANCE RE-APPLIED SPEED TAPE ABOVE THE LEFT AND RIGHT FLIGHT DECK WINDOWS PER AFMM 20-11-33.