As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT WING SLIDE EICAS MESSAGE AND EMER DOORS ANNUNCIATOR LIGHT ON MOMENTARILY IN CRUISE. LT WING SLIDE DOOR ON WING TO BODY FAIRY INSPECTED. FOUND LATCHED PROPERLY. SUSPECT PROX SWITCH GIVING FALSE READING. NOT POSSIBLE TO REPRODUCE. FAULT CLEARED. IAW AMM 52-71-00/501 REV 148