As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DIRTY SOCK ODOR, 6000-4000FT DEEMED TO DISSIPATE AFTER A MINUTE. FOUND OIL SEEPING THROUGH APU OIL FILLER CAP. REMOVED AND REPLACED APU FILLER CAP ROLLER AND BOLT IAW CMM 49-27-27. CLEANED AREA AND CHECKED FOR LEAK. NO LEAKS NOTED. (LP 8780332, 1731517 - AIRCRAFT WAS GROUNDED)