As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE FLAPS WOULD NOT EXTEND TO 40 DEGREES WHILE ON APPROACH. THE AIRCRAFT LANDED WITHOUT INCIDENT. THE NR 1 AIR DATA COMPUTER WAS REMOVED AND REPLACED. NO DEFECTS WERE NOTED WITH AIRCRAFT IN FLIGHT MODE. THE FLAPS WERE CYCLED SEVERAL TIMES BETWEEN 30 AND 40 DEGREES WITH NO PROBLEMS.