What was found
ON APPROACH, LOWERED LG, BRK INBD INOP MSG. MSG CLEARED WHEN GEAR WAS RAISED ON THE GO AROUND, MSG REAPPEARED ON SECOND APPROACH & LANDING & REMAINED AFTER LANDING. INBD BRK TEMPS GREEN AT THE BOTTOM OF THE SCALE. R & R BRAKE CONTROL UNIT IAW AMM 32-41-02-000-801-A & 32-41-02-400-801-A. OPERATIONS CHECKED GOOD.