As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
R1 DOOR OPEN EICAS MESSAGE DURING FLIGHT. FOUND ROLLER PIN CLOSED DOOR SENSOR IN DOOR FRAME BROKEN CAUSING SENSOR TO GIVE INTERMITTENT INDICATIONS. R & R PIN, R1 DOOR SENSOR HARNESS AND ADJUSTED SENSOR IAW AMM 52-74-20. OPS CHECK GOOD.