What was found
WHILE DESCENDING THROUGH 13,000 OBSERVED MUSTY ODOR IN FD, TURNED OFF PACK 1 ODOR DISSIPATED. DESCRIPTION OF ODOR/FUMES: TEMPORARY, MUSTY DRY SMELL. APPARENT CABIN SOURCE: CABIN ITEM. FLIGHT DECK. NO VISIBLE SMOKE/HAZE. NO MEDICAL ATTENTION.-REF TSM 05-50-00-810-831-A PERFOMED LEVEL A DECONTAMINATION IAW AMM 21-00-00-615-802-A PERFOMED PACK BURN OUT IAW AMM 21-00-00-615 & R/R RECIRCULATION FILTERS IAW AMM 21-21-41. NODEFECTS NOTED ON ENG 1 , 2 OR APU NO FURTHER DEFECTS NOTED AT THIS TIME ACFT OK FOR CONT SERVICE