As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SNA - EMERGENCY LIGHTS ILLUMINATED ON GROUND AT ROWS 17 THROUGH 20. REMAINED ON FOR APPROXIMATELY 20 MINUTES THEN WENT OFF, CAME ON AGAIN (DIMLY) AFTER LANDING. REPLACED BATTERY PACK AT RIGHT AFT EXIT LIGHT EMERGENCY LIGHTS. OPS CHECK NORMAL. (X)