As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CARGO FLIGHT 940 HNL-KOA - DURING CLIMB, THE CREW NOTED A LOUD AIR NOISE COMING FROM THE MAIN CARGO DOOR INDICATING AN INCOMPLETE SEAL ON THE DOOR. THE CREW RETURNED TO HNL WITHOUT FURTHER INCIDENT. MAINTENANCE ADJUSTED THE MAIN CARGO DOOR PRESSURE SEAL AND PRESSURE CHECKED THE AIRCRAFT PER AMM 21-00-05. THE AIRCRAFT WAS RETURNED TO SERVICE.