What was found
FLT#1596, PUJ-BOS. STRONG BURNING SMELL IN COCKPIT AND AFT GALLEY TO CABIN CENTER, NO SMOKE SEEN; REF LOGPAGE SMELL 4210046 ITEM 1 (PERFORMED DECONTAMINATION OF BLEED AIR DUCTING IAW AMM 36-12-00-615-804-A. NO SMELL NOTED AFTER CLEANING.) DECONTAMINATION OF BLEED AIR DUCT POST ENGINE 1 & 2 RUNS ACCOMPLISHED WHILE INSULATING EACH PACK / BLEED, NO ODOR PRESENT ON ENTIRE AIRCRAFT. .A/C GOOD FOR SVC.