As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON INITIAL POWER-UP, INBOARD FLAPS SHOWED 1 LIGHT BAR W/DISAGREEMENT ALARM. AFTER FOLLOWING MX PROCEDURES, INBOARD FLAPS SHOW ONLY 2 BARS W/45 DEGREES FLAPS SELECTED AND DISAGREEMENT. RESET OF FLAPS THEN GO TO 45 DEGREES, INBOARD FLAPS DON'T EXTEND AT ALL. REPLACED LEFT INBOARD FLAP ACTUATOR IAW MM 27-50-07. OPS CHECK GOOD AT THIS TIME. REPAIR DONE IN YYJ BY SEA MAINTENANCE.