What was found
RT ENG FIRE WARNING ANNUNCIATOR ILLUMINATED IN FLIGHT. CREW DISCHARGED BOTH FIRE EXTINGUISHER BOTTLES TO THE RT ENG. THE LIGHT REMAINED ON. THE CREW SHUTDOWN THE RT ENG AND LANDED. TECHS AT THE SERVICE CENTER INSPECTED THE ACFT. THEY DETERMINED THERE WAS NO FIRE OR BLEED AIR LEAK. THE CAUSE OF THE FALSE FIRE WARNING LIGHT WAS DETERMINED TO BE A LOOSE WIRE IN WIRE CONNECTOR P122. P122 WAS REPLACED. BOTH FIRE EXTINGUISHER BOTTLES WERE REPLACED. A FUNCTIONAL CHECK OF THE FIRE WARNING SYS WAS SATISFACTORY. ACFT APPROVED FOR RETURN TO SERVICE.