What was found
(LOG 9033366) DURING FLT. F/A'S NOTICED AN ODOR AT ROW 14, NO VISIBLE SMOKE, ELECTRICAL SMELL. TURNING OFF CEILING NIGHT LIGHTS CAUSED ODOR TO STOP. FOUND O/HEAD CEILING NIGHT LIGHT ABOVE ROW 17 DEF FLIKERING , UPON INSPECTION NOTICED A SLIGHT ELECTRICAL SMELL. R/R CEILING LIGHT ASSY REF. B737-800 AMM 33-22 AND BOTH RECIRCULATION AIR FILTERS PER B737 AMM 21-25. OPS CHK GOOD.