As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THAT THE L2 DOOR INDICATION WAS INTERMITTENT DURING FLIGHT. AN EMERGENCY WAS NOT DECLARED AND CREW LANDED WITHOUT INCIDENT. MX FOUND THE AFT PASSENGER DOOR TARGET ROLL PIN BACKED OUT, CAUSING TARGET TO VIBRATE. MX INSTALLED NEW PIN IAW AMM AND OPS CHECKED GOOD.