What was found
AT FL350, FA'S REPORTED A BURNING SMELL MIXED WITH GAS FUMES COMING FROM THE AFT 10 ROWS OF THE AIRCRAFT. SMELL WAS DESCRIBED AS BURNING POPCORN..RAN PROCEDURE, SHUT X BLEED AND TURNED PACK 2 OFF, SMELL WENT AWAY AFTER 5 MINUTES. ( PACKS A320 WITH MOD 312-PERFORMED LEVEL A DECONTAMINATION OF THE ECS IAW AMM 21-00-00.NO ODOR DETECTED. AS A PRECAUTION R&R BOTH RECIRCULATION FILTERS IAW AMM 21-21-41.THIS CLEARS DMI 2729123-1 PLACARD REMOVED MOC NOTIFIED. DMI LOG UPDATED