As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SERVICE DOOR LIGHT ILLUMINATED IN FLIGHT AND THEN EXTINGUISHED. MAINTENANCE EXAMINED THE SERVICE DOOR AND FOUND A FUEL SERVICE DOOR SCREW LOOSE. MAINTENANCE SECURED THE SCREW AND SUBSEQUENT MAINTENANCE ADJUST THE OURBOARD FUEL ACCESS DOOR SWITCH IAW MM 52-73-03. MAINTENANCE ALSO INSPECTED AND CLEANED ALL OTHER SERVICE DOOR SWITCHES AND ALL OPERATIONALLY CHECKED GOOD.