As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PHL - MAINTENANCE PERSONNEL FOUND THE L1 DOOR SLIDE ASSEMBLY HAD FALLEN AWAY FROM THE MOUNTING OF THE L1 DOOR. THE NUT PLATE AND CLIP WERE DISCOVERED AT THE BOTTOM OF THE DOOR FRAME. MAINTENANCE REPLACED THE ESCAPE SLIDE AND THE NUT PLATE.