As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CONFIG LIGHT ILLUMINATED ON TAKEOFF ROLL WITH MASTER WARNING. PERFORMED OPERATIONAL CHECK OF MASTER WARNING AND TAKEOFF CONFIG, CHECKED PROX BOX FOR DEFECTS AND SLAT PROX SWITCHES. NO DEFECTS FOUND. T/O WARNING SYSTEM AND MASTER WARNING SYSTEM OPS CK GOOD IAW A300 AMM CHAPTER 33-15-00.