What was found
SUPPLEMENTAL INFORMATION: FT 910, NAS-BOS. ACRID ODOR/FUMES AT 6,000 FT SMELL CONTINUED UNTIL LANDING; ACCOMPLISHED TROUBLESHOOTING OF ODOR EVENT FOUND LEVEL 1 ODOR EVENT COMPLIED WITH INFO NOTICES 2017-T15 D SECTION A AIRCRAFT OK FOR SERVICE. PACK 1 PLACED ON MEL DUE TO POSSIBLE CABIN/COCKPIT SMELL ( PACKS - SINGLE (SPEEDBRAKES OK) (N503-N665) ). AS PER W/O 929284 TASK CARDS NR A2117101-03, A320-72-00-00-100-900-A. PERFORMED BOTH ENGINES WASH AND DECONTAMINATION OF THE ENVIRONMENTAL CONTROL SYSTEM (ECS). A/C OK FOR SVC. MDDR CLEARED, MX-4 UPDATED.