As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKEOFF, THE TAKEOFF AURAL WARNING SOUNDED, AT THE SAME TIME L/E EXT LIGHT WAS FLICKERING. ALSO RT WING NR 7 SLAT MONITORING LIGHT FLICKERING. RETURNED TO BLOCKS. FOUND LOOSE CANNON PLUG IN RT NR 7 SLAT ASYMMETRY BRAKE COMPARTMENT. CLEANED AND SECURED CANNON PLUG AS PER MM 27-82-0, OPERATIONAL AND INDICATION CHECK OK.