What was found
RIGHT ENGINE FLAMED OUT ON LANDING ROLL, WHILE ATTEMPTING TO USE REVERSE THRUST. CHECKED RIGGING, ADJUSTED TO TOP OF LIMITS, CHECKED ATR, RIGGED, SET IDLE SPEED, PERFORMED POWER ASSURANCE ATR, N1 DISABLE TO ACCEL/DECEL IAW CRJ AMM CHP 71, 76, 78. (M)