As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN ATTEMPTING TO EXECUTE MINI-EVAC DRILL, L-1 DOOR OPENED PARTIALLY AND L-1 SLIDE/RAFT FAILED TO DEPLOY. DRILL CALLED OFF AND L-2 DOOR SLIDE/RAFT REMOVED FOR RE-INSPECTION. L-1 DOOR SLIDE/RAFT REMOVED FOR INSPECTION. FOUND GIRT BAR STRAP TOO SHORT TO ALLOW RELEASE CABLE TO PULL PINS ON COVER. RETURNED TO VENDOR FOR FURTHER EVALUATION AND TEAR DOWN REPORT.