What was found
ENROUTE FROM MC778 TO HBP NR 2 ENGINE FIRE LIGHT CAME ON. REDUCED POWER BELOW 1200 LBS PER HR. FUEL FLOW AND LIGHT WENT OUT. INCREASED POWER AND LIGHT CAME BACK ON. REVIEWED ENGINE FIRE CHECKLIST AND REDUCED NR 2 ENGINE TO IDLE FOR OEI LANDING AT GRAND ISLE EXXON. ABOUT 10 MINUTES FROM TIME OF EVENT TO LANDING AT 1601. MAINTENANCE REPLACED THE OUTBOARD AND INBOARD FLAME DETECTORS AND THE OUTBOARD FLAME DETECTOR HARNESS PART NUMBER 92552-04112-041. ALSO INSULATED WIRE TO PIN C WITH HEAT SHRINK AS PER LETTER FROM SIKORSKY.