As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN HOT CUP WAS TURNED ON, EMERGENCY EXIT LIGHTS IN COCKPIT INTERMITTENTLY FLICKERED ON AND OFF RANDOMLY. FOUND LOOSE WIRING AT GROUND STUD FOR EMERGENCY POWER SUPPLY. TIGHTENED LOOSE CONNECTION AT GROUND STUD. NO DEFECTS NOTED WITH HOT CUP. SYSTEM OPS CHECKED GOOD IAW AMM 33-50-00-0.