What was found
FLT#773, BOS-AUA. DURING DESCENT FA REPORTED DIRTY SOCK SMELL DESCENDING THRU 6000FT ROW 12-21 LASTED ( PACKS ); CORRECTED 2 AIR LEAKS AT PACK #1 CONNECTIONS TO ACM. OPS CHK OF #1 PACK OPS CHK OK. REF MM 21-52-41. #2 PACK AT NORMAL OPERATING TEMPS OPS CHK OK. NO LEAKS. REF LOGPAGE 4627045 ITEM #1 FOR R/R OF APU COOLING FAN FOUND LEAKING DURING REQUESTED INSPECTION. MDDR # 618517 CLEARED MX-4 UPDATED, PLACARDS REMOVED MCC NOTIFIED.