As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TPA - FLT 1610 - AFTER TAKEOFF, A VERY LOUD NOISE WAS HEARD COMING FROM THE FORWARD ENTRY DOOR DURING CLIMB-OUT. THE AIRCRAFT DID NOT LOSE PRESSURIZATION, BUT THE CAPTAIN DECIDED TO RETURN TO FIELD AT TPA. FLIGHT LANDED WITHOUT FURTHER INCIDENT. NO EMERGENCY WAS DECLARED. MAINTENANCE REMOVED AND REPLACED THE FORWARD ENTRY DOOR LOWER HINGE FLAP ASSEMBLY. PRESSURIZATION CHECK GOOD. (X)