As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAXI OUT, EMERGENCY EXIT LIGHTS CAME ON AND WOULD NOT RESET. AIRCRAFT WAS NOT GROUNDED. MAINTENANCE PERFORMED POWER DOWN RESET IAW TSM 24-00-00 AND EMERGENCY LIGHTS MANUAL OPERATION IAW AMM 33-51-00-710-004A. MAINTENANCE ALSO PERFORMED SATISFACTORY OPERATIONAL CHECK.