What was found
DURING PREFLIGHT FOUND ALL BUT TWO EMERGENCY LIGHTS INOPERATIVE. THE ONLY TWO THAT WORK ARE THE CABIN FLOOR FWD LT & EXTERIOR LIGHT BY THE CABIN DOOR. REMOVED NR 1 EMERGENCY LIGHT POWER SUPPLY & REPLACED WITH NEW EMERGENCY LIGHT POWER SUPPLY IAW AMM 33-50-10. PERFORMED SATISFACTORY OPS CHECKS IAW AMM 33-50-00. REMOVED NR 1 EMERGENCY LIGHT POWER SUPPLY & REPLACED WITH NEW EMERGENCY LIGHT POWER SUPPLY IAW AMM 33-50-10. PERFORMED SATISFACTORY OPS CHECKS IAW AMM 33-50-00.