What was found
AIR QUALITY EVENT DEPARTING ORD SHUT DOWN PACK 1. AIR QUALITY IMPROVED. MUSTY SMELL WAS OBSERVED. -DUE TO HISTORY OF AIR QUALITY EVENTS, TI 2100-2004 ISSUED AND PERFORMED. PERFORMED AMM TASK 36-12-00 DECONTAMINATION OF THE BLEED AIR DUCTING SYSTEM. NO ODOR NOTED AT THIS TIME ON ENG 1, ENG 2, OR APU BLEED.