What was found
AFTER TAKEOFF OUT OF KTEB FLAP WAS RETRACTED WHEN WE WERE LEVEL AT 1500 FT MSL AND THE SPEED WAS 180KTS. FLAP HANDLE WAS AT ZERO, BUT FLAP INDICATION WAS AT 20, AND HAD THE FLAP FAIL MSG ON EICAS. RAN THE FLAP FAIL APPROACH QRC , DECLARED EMERGENCY WITHOUT THE EMERGENCY PERSONAL ASSISTANCE. R & R THE LT ASYMMETRY OVERSPEED DETECTOR & BRAKE WITH REPAIRED UNIT. IAW AMM 27-51-07, CHECKED GOOD. NO DEFECTS NOTED. 2. R & R THE RT ASYMMETRY OVERSPEED DETECTOR & BRAKE WITH REPAIRED UNIT. IAW AMM 27-51-07, CHECKED GOOD. NO DEFECTS NOTED.