As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: DOOR SLIDE AT 1R DOES NOT ARM PROPERLY. MAINTENANCE FOUND BUCKLES ON DOOR LINER NOT STOWED PROPERLY, RE-SECURED BUCKLES AND LUBRICATED THE DOOR ARMING MECHANISM PER AMM 12-22-52. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.