What was found
SHIP 3258 DISC: MUSTY/"DIRTY SOCK" ODOR NOTED IN THE FLIGHT DECK WHEN FIRST ARRIVED AT A/C. C/A: OIL CAME OUT APU INLET DOOR. PERFORMED DECONTAMINATE THE ECS PER WORK CARD 2100-2005 STEP 1-6 SS 033611. COMPLETED WORK CARD 2100-2005 CABIN RECIRC FILTERS REPLACED. NO ODORS DETECTED POST BURN OUT W/ PACKS ON. DEFERRING APU FOR OIL LEAK REPAIR- LOG 5578045 MTC PERFORMED AS DIRECTED BY WORK CARD 0550-2002. (LP: 5578044)