What was found
AIRCAFT WAS GNDED. DURING DESCENT A DIRTY SOCK SMELL WAS REPORTED IN THE CABIN. FOUND APU GEN LEAKING OIL. R & R GEN IAW AMM 24-23-51 & ACCOMPLISHED JC 26L00021001, 26L00021002, 26L00021004, 24-23-51 PB 401 WITH ODOR OR DIRTY SOCK SMELL NOTED.