What was found
F/A REPORTED HEAVY BURNING SMELL IN CABIN, SHORTLY AFTER SMELL ALSO IN COCKPIT. DIVERTED TO CVG. DISSIPATED AFTER 10-15 MINS. T/S PER OPN 5088 COMPLETED BLOCKS 1 THROUGH 6, NO TROUBLE FOUND. C/W OP 5088 AND 5089 DUCT BURNOUT, NO ODORS NOTED. ALSO DURING T/S FOUND CABIN RECIRC FAN INOP. REPLACED RELAY R2-279, OPS CHECKS GOOD.