As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: DURING TAXI OUT GRINDING NOISE FROM LEFT MAIN AT TAKEOFF GOT BRAKE HOT ECAM #1 WHEEL 300 DEG #2 WHEEL 275 #3 AND #4 135 DEG. SUSPECT DRAGGING BRAKE #1 AND #2 WHEEL. MAINTENANCE ACCOMPLISHED TSM 32-42-00-810-925-A AND REPLACED THE LEFT ALTERANTE BRAKE MAINIFOLD PER AMM 32-43-32. A SATISFACTORY OPERATIONAL / LEAK CHECK WAS ACCOMPLISHED.