As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ROW 22 TO 35 SEAT EMERGENCY EXIT LIGHTS NOT WORKING. CONTINUED TROUBLESHOOTING AND FOUND EMERGENCY BATTERY POWER SUPPLY M2626 NOT PERFORMING AUTOTEST WITH THE MANUAL BUTTON. SLAVED IN EMERGENCY BATTERY FROM ANOTHER POSITION, STILL DOES NOT WORK. REPLACED FUSE ON POWER SUPPLY M2626 IRW 737 AMM 33-51-06-960-805. ALL EMERGENCY LIGHTS OPS CHECK GOOD.