What was found
RTF-FLAPS FAIL CAUTION MSG ON TAKE OFF. / FOUND B1 CODE 006551. CLEARED INHIBITS AND SELF TEST FOR SFECU PASSED IAW CRJ 900 AMM 45-45-00-970-821. FOUND LH OB INB FLAP ACTUATOR TRIPPED. RESET THE TRIPPED ACTUATOR IAW CRJ 900 AMM 27-52-09-610-802. PERFORMED OPS TEST OF SLATS AND FLAPS IAW CRJ 900 AMM 27-50-00-710-801 MULTIPLE TIMES AND DID NOT HARD FAULT. CAUTION MESSAGE IS GONE. OPS CHECK GOOD.