As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: FLIGHT ATTENDANT REPORTS STRAP HANGING OUTSIDE OF FORWARD PASSENGER ENTRY DOOR (L1) DURING FLIGHT. ALL DOORS INDICATED CLOSED, NO ISSUE WITH CABIN PRESSURIZATION. MAINTENANCE INSTALLED MISSING BUCKLE ON L1 DOOR SLIDE PER AMM 25-62-44 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.