As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAS - ODOR - ON GATE ARRIVAL AFTER ENGINE SHUTDOWN, NOTICED STRONG CHEMICAL ODOR IN COCKPIT AND FORWARD LAV - NOT PRESENT IN CABIN. MAINTENANCE FOUND FORWARD LT EMERGENCY POWER SUPPLY UNIT FAULTING. REMOVED AND REPLACED EPSU IAW AIRBUS MAINTENANCE MANUAL 33-51-38.