What was found
DURING DECENT BELOW 10,000 FEET, A STRONG ODOR OF POSSIBLE UNBURNED OIL, LIKE A SWEAT SOCK. AIRCRAFT WAS GROUNDED. TROUBLESHOT CABIN AIR QUALITY, CABIN ODOR TROUBLESHOT AND DECONTAMINATED. REPLACED THE NR 1 ENGINE INTEGRATED DRIVE GENERATOR OIL COOLER IAW AMM 73-11-60.