As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PASSENGER REPORTED EMERGENCY LIGHTS BY DOOR 2L FLASHED ON AND OFF MOMENTARILY DURING FLIGHT. MAINT TEXT: EMERGENCY LIGHTS ON, WITHIN 20 TO 30 SECONDS SEATS 19AB THRU 23AB GO OFF, ALONG WITH OVERHEAD EXIT AISLE LIGHT AT SEAT 19AB. REPLACED PWR SUPPLY, OPS GOOD.