What was found
FLAP FAIL AT ZERO.SWAPPED SFECU'S, CLEARED INHIBITS AND PERFORMED OPS CHECK IAW CRJ 550 AMM 27-51-05, 27-51-00. SFECU POSITION 1, P/N 766389X9-S/N 1744. SFECU POSITION 2 P/N 766389X9, S/N 1502. NO FAULTS NOTED AT THIS TIME. FLAP HALF SPEED MSG STILL PRESENT ON DMI # 70075568