What was found
AMBER CARGO FIRE BOTTLE DISCHARGE LIGHT ILLUMINATED ON CLIMBOUT. NO CARGO WARNING WAS RECEIVED. THE CARGO FIRE EXTINGUISHING SYSTEM WAS NEVER ARMED AND THE CARGO FIRE DISCHARGE SWITCH WAS NEVER PUSHED. GREEN EXTINGUISHER TEST LIGHTS INDICATED NORMAL SQUIB CIRCUIT CONTINUITY. CARGO FIRE BOTTLE DISCHARGE LIGHT SUBSEQUENTLY EXTINGUISHED ON ITS OWN AFTER APPROX 15 MINUTES. MAINTENANCE CHECKED AND INSPECTED CONNECTOR PLUGS AND CHECKED SYSTEM IAW AMM 26-16-00-710-801. ALL CHECKED NORMAL. NO DEFECTS NOTED. RELEASED TO SERVICE.