As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TPA - FLT 632 - DURING POWER APPLICATION, TAKEOFF WARNING HORN SOUNDED (FLAPS). ALL FLIGHT CONTROLS WERE IN THEIR PROPER POSITION. FOUND FLAP HANDLE WARNING SWITCH S1-492 COVERED WITH DUST/FUZZ. CLEANED SWITCH. SYSTEM OPS GOOD PER MM 31-51-02. (X)