As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STRONG FUMES IN THE COCKPIT AFTER T/O ROTATION AND BEGINNING OF GEAR RETRACTION. DISPPATCHED QUICKLY. PACKS OFF TAKEOFF NO EVIDENCE OF FUEL LEAKAGE. FOUND LT WHEEL WELL WET FROM HYDRAULIC FLUID WIPPED AND RAN ALL HYDRAULIC PUMPS. NO LEAKS FOUND AT THIS TIME. AC OK FOR SERVICE. (LP 5264170)