What was found
FLAP FAIL MESSAGE ILLUMINATED AT 13000 FT, COMPLIED WITH QRH PERFORMED ZERO FLAP LANDING, BRAKES APPLIED AT LESS THAN 80 KNOTS, MAX BRAKES TEMP INDICATION WAS '2'. TOUCHDOWN AT 172 KNOTS. REMOVED AND REPLACED FECU IAW AMM 27-51-05. COMPLIED WITH OPS CHECK OF FLAP SYSTEM IAW AMM, OPS CHECK GOOD. (M)