As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CONTROL CENTER REPORTS THE CREW REPORTED FORWARD CARGO DOOR INDICATION PROBLEM. A/C IS DOING AIR-RETURN TO IAH REQUEST MEL FOR FORWARD CARGO DOOR INDICATION INOP MEL 5271I APPROVED AND APPLIED DDP C/W DOOR INDICATION INOP FOR FWD DOOR DOOR VERIFIED CLOSED CREW DBRIEF FWD CARGO DOOR EICAS ON AFTER LIFT OFF WITH DOOR SYNOPTIC SHOWING FWD CARGO DOOR OPEN. ON FINAL APPROACH ALL INDICATIONS RETURNED TO NORMAL..