As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: L1 DOOR WILL NOT ARM PROPERLY. FLIGHT ATTENDANT STATES THE ARMING LEVER WILL NOT FULLY ENGAGE FLUSH WITH DOOR. MAINTENANCE FOUND THE L1 DOOR SLIDE RAFT HAD BECOME UNPACKED AND PREVENTING THE ARMING LEVER FROM FULLY ENGAGING.MAINTENANCE REPLACED THE L1 DOOR SLIDE RAFT AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.