As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
A VERY BAD STINKY SOCK SMELL ON THE TOP OF DESCENT TO LANDING FROM A/C SYS. MX FOUND THE APU COMPARTMENT & INLET DIRTY. CLEANED & PRESS WASHED COMPARTMENT. NO LEAKS NOTED. PERFORMED & COMPLIED WITH ECS BURNOUT IAW JOB CARDS 26L00021001, 26L00021002 & 26L00021004. NO SMELLS NOTED AT THIS TIME.