As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT ATTENDANT REPORTED TWO EMERGENCY LIGHTS ILLUMINATED IN-FLIGHT WITH THE EMERGENCY LIGHT SWITCH IN THE ARM POSITION, LIGHTS LOCATED AT THE MID & MID LEFT, OVERWING EXIT. ONE EMERGENCY EXIT LIGHT RIGHT OVERWING ON THROUGH 10,000FT. PREFORMED TSM 33-51-00-810-836A. CONFIRMED EPSU (13WL) WAS BAD. CHANGED THE BATTERY ON EPSU 13WL IAW AMM 33-51-38P 401. EPSU OPS CHECKED GOOD. ACFT OK FOR SERVICE.