As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INBOUND FLIGHT ATTENDANT`S REPORT A DIRTY SOCK SMELL DURING CRUISE. ONE FLIGHT ATTENDANT REPORTED A HEADACHE FROM THE SMELL. ACCOMPLISHED JOB CARD 26L00021001 & 26L00021002, FOUND APU OIL FILTER HOUSING LEAKING. REPLACED APU OIL PUMP & SEAL PLATE IAW AMM 49-91-45 WITH NO HELP. APU REQUIRES REPLACEMENT. SUPPLEMENTAL TO FOLLOW COMPLETION OF MAINTENANCE ACTION.