As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GNDED. MUSTY OILY ODOR ENTERING THE COCKPIT FROM AIR CONDITIONING SYS. FOUND NR 1 ENG OIL SUPPLY LINE FROM OIL TANK LEAKING & REPAIRED THE LEAK IAW AMM 79-11-10-400-005-A. A SATISFACTORY LEAK CHECKED WAS ACCOMPLISHED WITH NO ADDITIONAL ODORS REPORTED.