As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BURNING SMELL DETECTED IN COCKPIT. ACFT DIVERTED. OVERWEIGHT LANDING BY 10,600 KL AND SMOOTH LANDING. FOUND CAUSE OF BURNING SMELL AT GROUND CONN OF RT NR 3 WINDOW. DE-ACT RT NR 3 AS PROCEDURES C/B P36-H7 PULLED AND COLLARED NR3 RT WINDOW HEAT INOP.