As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMELL LIKE BURNED PAPER AFTER OPENING AND CLOSING L1 DOOR SEEMS TO BE COMING FROM ABOVE DOOR. INSPECTED ALL ZONES AROUND L1 DOOR WITH ALL LIGHTS AND ROCKWELL SYSTEM ON. NO ODORS, NEITHER EVIDENCE OF HEAT DETECTED. AIRCRAFT OK FOR SERVICE.