What was found
CONDITIONED AIR HAS PUNGENT ODOR (SMELLS LIKE DIRTY SOCKS), NUMEROUS PASSENGER COMPLAINTS. PLACED ON MEL 36-12-01, CONTROL NUMBER 105131, APU BLEED AIR SYSTEM INOP. CLEANED APU INLET SCOOP / BOX ASSEMBLY. RAN APU, NO SMELL DETECTED. REMOVED MEL 31-12-01.