What was found
"DESCENDING THROUGH 4,000 FT LOW POWER SETTING CABIN ODOR. MILDEW / MUSTY ISOLATED TO PACK #1-REF TSM 05-50-00-810-831-A PERFORMED GVI OF APU IAW AMM 49-00-00 NO LEAKS OR DEFECTS NOTED. PERFORMED GVI OF ENG #1 AND ENG #2 FOUND NO VISIBLE SIGNS OF LEAKS OR ANY DEFECTS NOTED IAW AMM 71-00-00. PERFORMED GVI OF PACK #1 AND PACK #2 AND FOUND PACK #1 CONDENSER TO BE AT FAULT DUE TO BEING DIRTY AND CONTAMINATED WITH MUSTY SMELL REF LP 2953275-2 FOR CONTINUATION"