As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 2219, PASSENGERS AND FUELER REPORTED MODERATE SMOKE COMING FROM RIGHT (FO SIDE) OUTBOARD BRAKE ASSEMBLY. INSPECTED NR 3 AND NR 4 BRAKES. NO LEAKS NOTED. FOUND RESIDUAL HYDRAULIC FLUID FROM ANTI-SKID TEST DONE BEFORE PREVIOUS FLIGHT. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.