As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STRONG GAS/OIL SMELL IN CABIN. MAINTENANCE FOUND HYDRAULICS BAY HAD A HYDRAULIC LEAK. MAINTENANCE INSPECTED AC AND FOUND SAFE FOR DSM TO DTW. DTW MAINTENANCE REPLACED LEAKING LINE AT ANTI-SKID VALVE IAW 32/20 ALL CHECKS GOOD. SERVICED AS REQUIRED.