What was found
UPON ARRIVAL CREW REPORTED AC BURNING SMELL COMING FROM EMERGENCY EXIT MIDDLE AREA OF THE MAIN CABIN, REMOVED 6 CEILING PANELS TO FIND SOURCE OF SMELL. NIGHT LIGHT ON TOP OF OVERHEAD BIN AT ROW 23 LEFT IS NOT SECURED DUE TO BROKEN BRACKET/LAMP HOLDER. BULB IS HOT AND ABLE TO TOUCH OVERHEAD BIN AND CEILING PANEL. IPC 33-22-00-06C ITEM 25L. FOUND SOCKET AT BASE OF BULB BURNED AND ALSO AN ELECTRICAL SMELL FROM BALLAST. R&R LIGHT ASSY ABOVE SEAT 23ABC IAW MM 33-22-00. OP'S CHECK GOOD.