As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AFTER VACATING THE RWY, ANOTHER ACFT REPORTED SMOKE FROM OUR RT UNDERCARRIAGE. STOPPED ON THE TAXI WAY. FIRE BRIGADE WAS SENT BY GROUND CONTROL AND ASSESSED THE SITUATION. AFTER A FEW MINUTES THE SMOKE DISAPPEARED. MAINTENANCE FOUND A LEAKING PISTON DRAINING HYDRAULIC FLUID ON THE HOT BRAKE ASSY OF NR 3 WHEEL. REPLACED BRAKE ASSY NR 3.