What was found
DURING UNSCHEDULED MAINTENANCE, THE FORWARD EMERGENCY EXIT LIGHT AND ALL EXTERIOR EMERGENCY EXIT LIGHTS WERE FOUND TO BE INOPERATIVE. CLEANED CORROSION, INCREASED TENSION ON BASE CONTACT AREA OF BATTERY FOR FORWARD INTERIOR EMERGENCY EXIT LIGHT. REPLACED BURNED OUT LAMPS, CLEANED LIGHT BULB SOCKETS AND CLEANED BATTERY PACK CONNECTION FOR ALL EXTERIOR EMERGENCY EXIT LIGHTS. SUBSEQUENT SYSTEM CHECKS WERE SATISFACTORY.