As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON FINAL APPROACH AT 3,000 FT, LT WING SLIDE EICAS MESSAGE DISPLAED. RAN QRH PROCEDURE, LANDED AIRCRAFT AS NORMAL. UPON LANDING WING SLIDE DOOR OBSERVED TO BE AJAR. RESECURED LT WING SLIDE DOOR PER AMM 25-65. (8869312)(AIRCRAFT GROUNDED)