As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ENGINE START THE L FWD ENTRY DOOR EICAS AND OVERHEAD LIGHT ILLUMINATED. FA SAID SLIDE LIGHT WAS FLASHING ON DOOR. FOUND DOOR CLOSED SENSOR S194 TARGET OUT OF RANGE. ADJUSTED S194 . NO ADJUSTMENT REQUIRED FOR S195. REFERENCE AMM TASK 52-71-00 (7075034)