As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED FLAP CAWS AFTER SELECTING FROM 0 TO 15 DEGREES. 1 RESET ON GROUND PERFORMED ON PREVIOUS LEG. RESOLUTION TO CORRECT THIS SITUATION IS AS FOLLOWS. THE LT FLAP ROTATION TRANSMITTER PN 973.30.33.112 WAS AT FAULT AND WAS REPLACED, IAW AMM 12-A-27-50-03-00A-920A-A. ALL ASSOCIATED TESTS WERE COMPLETED AND NO FURTHER FAULTS OR DEFECTS FOUND WITH THE SYS.