What was found
F/A'S REPORT BURNING ELECTRICAL ODOR IN AFT GALLEY ON PUSHBACK. FOUND AFT CEILING LIGHTS L227 & L230 INOP. BALLAST M665 CAUSE OF SMELL. FOUND AFT RT LAV SMOKE DETECTOR BURNT. REPLACED DETECTOR. CHECKED ALL WIRES AT CONN D2864 FOR M665 BALLAST & FOUND NO PWR PIN 5. RL'D RELAY K315 IN P25 PANEL. NOW HAVE PWR AT PIN 5. REPLACED M663, M664 & M665 BALLASTS. NO BURNED WIRES OR CONN TO M663, MM664 & M665. OTBD AFT DIRECT CEILING LIGHTS L227 & L228 FAILED TO TURN ON. INTERCHANGED BALLASTS M664 & M665 WITH SAME RESULTS. L227 & L228 ARE STILL INOP. CONN D2864, D2862 & 2860 REMOVED M665 BALLAST, FOUND FUSE AND CAP MISSING. REPLACED BALLAST M665. OPS NORMAL AT THIS TIME. NO BURNT SMELL IN AFT GALLEY AREA.