As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
R1 DOOR IS NOT ARMING WHILE FULLY CLOSED. TROUBLE SHOT IAW FIM 25-66-00 FAULT TREE 802. FOUND BOTH GIRT BAR PROX SENSORS COVERED IN GREASE. CLEANED SENSOR, NO HELP. SUSPECT ONE OF THE PROX SENSORS BAD. OPERATED R1 DOOR, SEVERAL ARMING & DISARM CYCLES. OPERATED NORMAL IAW 25-66-11-2.