What was found
(AIRCRAFT NOT GROUNDED) UPON DESCENT INTO SCK A DIRTY SOCK SMELL WAS EXPERIENCED IN THE AFT CABIN APU WAS OFF, ENG ANTI ICE WAS OFF. FA 2 AND FA 4 REPORT NAUSA & HEADACHE. PERFORMED WORK CARD 21-000-002. PER TC A32X-21-000-002. WHILE PERFORMING TASK CARD A32X-21-000-002 FOUND APU OIL RESERVOIR FILLER CAP LEAKING. R & R APU RESERVOIR OIL FILLER CAP IAW AMM 49-91-48-000/400-801-A. DOUBLE CHECKED THE FCU DRAIN PIPE CAP (TELL-TALE CAP) FOUND OIL IN CAP AND IN LINE. R & R FCU IAW AMM 49-32-11-000-003A & 49-32-11-400-003A. OPS CHECK GOOD. PER TC A32X-21-000-002 M313 REQUIRED TO C/W TC A32X-21-000-003 WITHIN 10 CALENDER DAYS. C/W TASK CARD A32X-21-000-003. NO FURTHER ODER PRODUCED.