What was found
IN CRUISE FLIGHT THE FIRE WARNING BELL CUTOUT LIGHT ON THE GLARE SHIELD ON BOTH F/OS AND CAPTS SIDE ILLUMINATED FOR LESS THAN TWO SECONDS AND THE FIRE BELL INTERMITTENTLY RANG 3 TIMES AND LIGHT EXTINGUISHED, THREE MINUTES LATER F/OS FIRE BELL CUTOUT LIGHT FLICKERED ONCE WITH NO BELL. NO OTHER LIGHTS ILLUMINATED. NO MASTER CAUTION, OVERHEAT, ENGINE LIGHT, OR CARGO LIGHTS ILLUMINATED. PERFORMED FIRE WARNING AND OVERHEAT DETECTION TEST IAW AMM TASK 26-10-00-710-801. GROUND CHECKED OK. INSPECTED GLARE SHIELD WARNING LIGHTS AND ASSOCIATED WIRING. NO DEFECTS NOTED. ACFT OK FOR SERVICE.