What was found
FLT 1391, BOS-TPA. TRANSIENT ODOR OF MUSTY DRY TYPE REPORTED BY INFLIGHT CREWMEMBERS. SMELL BEGAN AT 10,000 FOOT CABIN CHIME, WHEN FLIGHT PATH WAS THRU CLOUD LAYER; NO ODOR NOTED BY MX DURING WALKTHRU OF A/C. COMPLIED WITH INFORMATION NOTICE 2017-T015F SECTION A. AIRCRAFT IS OK FOR SERVICE.