What was found
STRONG WET SOCK ODOR ON DESCENT AT FLIGHT IDLE APPROACHING 10000 MSL TO THE GATE. ODOR DETECTED IN BOTH THE COCKPIT AND THE CABIN. C/W NO GO ODI CHECKLIST. FOUND OIL LEAK AROUND APU INLET. PERFORMED GVI OF L+R ENG W/ NO LEAKS NOTED. C/W W/C 2100-2005 UP TO STEP 24. RAN BOTH ENG W/ NO ODOR IN CABIN.(007964DB) C/W W/C 0550-2002. STILL NEED W/C 2100-2005 STEPS 25/28/30.(007964DB) W /C 2100-2005 C/W. RECIRC FILTERS R/R PER AMM 21-21 (TW 829224) ALL NO GO ODI STEPS C/W, A/C OK FOR SERVICE. (LP: 5401192) APU REPLACED ON LP: 5401194. ENGINE REPLACED ON LP: 5545803 & 0187634