As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN SELECTING FLAPS 25 DEGREES THE COMMAND BARS WENT TO 25 DEGREES, BUT ALL THREE PAIRS OF FLAPS STAYED AT 15 DEGREES. WE GOT A CONTROL FAULT WHICH RESET AFTER RUNNING THE QRH.CLEANED FLAP TRACKS. PERFORMED OPS CHECK OF FLAP SYSTEM. OPS CHECK GOOD.