What was found
AFTER LANDING, FLIGHT CREW REPORTED BOTH COCKPIT AND CABIN FILLED WITH SMOKE. HEAVY BRAKING REQUIRED TO STOP AIRCRAFT ON RUNWAY TO TURN ONTO TAXI-WAY. AFTER STOPPING, BRAKE TEMPS ON LT SIDE APPROX 460 DEG, RT SIDE MID 200 DEG. PERFORMED CLEANING OF CROSSFEED, ENGINE AND APU BLEED AIR DUCTS BY RESIDUAL BURNING PER AMM 21-00-00-160-050. NO SMOKE OR DISCREPANCIES NOTED. INSPECTED BRAKES FOR OVERTEMP PER AMM 05-51-16-200-001. BRAKE TEMPS ON ALL BRAKES WITHIN AMM LIMITS. NO DEFECTS NOTED. TESTED NORMAL BRAKING SYSTEM PER AMM 32-42-00-710-001 AND TESTED ALTERNATE BRAKE SYSTEM PER AMM 32-43-00-710-001. BOTH TESTS CHECKED NORMAL.