As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF, LEFT GEAR WOULD NOT RAISE WITH ASSOCIATED EICAS "DISAGREE" MSG 2 UP-TO-OFF CYCLES WITH NO CHANGE. REPLACED DRAG BRACE ACTUATOR HOSES. PERFORMED GEAR SWING OF ALL GEAR. LEAK & OPS CHECK GOOD. LEFT GEAR CYCLES UP & DOWN, INDICATION NORMAL. RESET LEFT MAIN GEAR TRACK POSITION FUSES, GEAR UP & GEAR DOWN FUSES.