As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ABORTED TAKEOFF, TAKEOFF WARNING HORN SOUNDED WHEN ADVANCING POWER LEVERS, CYCLED FLAPS, OPS CHECKED NORMAL. COULD NOT DUPLICATE ON GROUND RUN. R & R FLAP POSITION INDICATOR. OPS CHECKED GOOD IAW 27-53-05. GROUND RAN ACFT AFTER FLAP INDICATOR REMOVAL AND REPLACEMENT. ALL TAKEOFF PARAMETERS FUNCTION NORMAL WHEN IN AND OUT. ACFT OK FOR SERVICE.