As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 5646 AFTER LANDING WE HAD EICAS MSG "L CTR ENTRY DOOR" WITH ALL INDICATION (FA) BEING ARMED. CORRECTIVE ACTION: TROUBLESHOT AND FOUND THE TARGET ON THE DOOR WAS LOOSE. READJUSTMENT OF SENSOR AND TARGET ON THE DOOR PER B757 AMM 52-71-00. OPS CHECK GOOD. (8492674)