As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED. ON FINAL, FLAPS STUCK AT 15 DURING GO AROUND AND WOULD NOT RETRACT. LANDED WITH FLAPS AT 15. ACCOMPLISHED BITE TEST OF THE FLAP/SLAT ELECTRONICS UNIT PER FIM 27-51-00-810-801 AND CHECK OF FLAP POSITION INDICATOR PER FIM 27-51-00-810-813. NO FAULTS FOUND. OPERATIONAL CHECK GOOD.