As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING SCHEDULED CHECK, THE RT OVERWING EXIT AND TRAILING EDGE FLAP EXTERIOR EMERGENCY EXIT LIGHTS WERE FOUND INOPERATIVE. THE ASSOCIATED SYSTEM BATTERY PACK WAS REPLACED. SUBSEQUENT SYSTEM CHECK WAS SATISFACTORY PER B-737 MM 33-51-01.