As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW RECEIVED AN L1 DOOR OPEN INDICATION INOPERATIVE IN FLIGHT. AN EMERGENCY WAS NOT DECLARED AND MESSAGE WENT AWAY DURING APPROACH. MAINTENANCE FOUND FORWARD PASSENGER DOOR WARNING SENSOR OUT OF ADJUSTMENT. MAINTENANCE ADJUSTED FORWARD PASSENGER DOOR WARNING SENSOR IAW AMM AND OPS CHECKED GOOD.