As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY DECLARED. LOWER FWD CARGO DOOR LIGHT INFLIGHT HEARD A BOOM AND FELT A PRESSURE CHANGE. WE DONNED 02 DECLARED AN EMERGENCY DIVERTED TO GSO. ALL RII TASKS C/W REF GMM 04.02.01.15. PERFORMED OPS CHECK OF DOOR IAW AMM 52-31-11 FOUND VENT DOOR DIFFICULT TO OPERATE REMOVED AND REPLACED LOCK SWITCH STRUT IAW AMM 52-30-22. LUBRICATED DOOR IAW AMM 12-22-52. PRESSURIZED AIRCRAFT IAW AMM 05-53-00 NO LEAKS DETECTED AT DOOR AND NO INDICATION ISSUE.