As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN CRUISE AT FL390, DOOR PAX FWD OPEN EICAS MESSAGE. L1 DOOR INDICATED OPEN ON MFD. THE AFT MOST DOOR LATCH INDICATION SHOWED HALF GREEN. THE FWD 2 INDICATIONS WERE FULL GREEN. FOUND ROLL PIN ON L1 DOOR LATCH INDICATION BROKEN. R & R ROLL PIN ON L1 DOOR LATCH INDICATOR IAW MM 53-10-21. OPS CHECK GOOD.