As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FWD SERVICE DOOR LIGHT ILLUMINATED IN CRUISE AT FL4000. F/A REPORTED HANDLE POPPED UP. RAN QRIT AND HAD F/A RESET HANDLE, IT POPPED UP AGAIN WITH ASSOC LT ON OVERHEAD PRESSURIZATION. R & R CAM ASSEMBLY ON FWD SERVICE DOOR HANDLE ASSEMBLY, REF CMM 52-46-05. SEE ATTACHED SA-M 326 FOR ADDITIONAL SIGNOFFS.