As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DECLARED EMERGENCY AFTER GETTING DIRTY SOCK SMELL ON DESCENT FOR PLANNED FUEL STOP IN SLC. DONNED MASKS. PERFORMED VISUAL INSPECTION OF BOTH ENGINES AND FOUND OIL LEAKING FROM BOTH SPINNERS. REPLACED FAN SHAFT COVER SEAL ON NBR 1 AND 2 ENGINES PER A321 AMM 77-15. CLEANED AND STOWED CAPTAIN'S AND FIRST OFFICER'S OXYGEN MASKS. (LP 7860754)