What was found
EMERGENCY LIGHTS WILL NOT EXTINGUISH. REPLACED NR 1, 2, 3 AND 4 EMERGENCY LIGHT BATTERY POWER SUPPLIES AND NR 2 EMERGENCY LIGHT CHASSIS. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. EMERGENCY LIGHT BATTERIES OFF P/N 2-131A. POWER SUPPLY SERIAL NUMBERS OF AS FOLLOWS 1-66089, 2-69701, 3-67880, 4-74123. (M)