As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: STRAP FROM THE EMERGENCY ESCAPE SLIDE FOR THE AFT LEFT DOOR (4L) WAS DANGLING OUTSIDE THE AIRCRAFT AFTER PUSHBACK FROM LAS. WE STOPPED THE PUSH AND HAD CATERING COME BACK OUT AND OPEN AND RE-CLOSE THAT DOOR WITH THE STRAP SECURED INSIDE. MAINTENANCE RESECURED THE STRAP AS REQUIRED.