As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 1230, CUN-EWR. EMER EXIT LIGHTS ILLUMINATED IN FLIGHT WITH SWITCH IN AUTO AND OFF. NORMAL ELECTRICAL POWER ON THE AIRCRAFT THE ENTIRE FLIGHT; ACCOMPLISHED OPS TEST OF EMERG. LIGHT SYS IAW AMM 33-51-00-710-001. ALL EMER. EXIT SIGNS OPS NORMAL. COULD NOT DUPLICATE AT THIS TIME. A/C OK TO CONTINUE.