What was found
TWENTY MILES OUT OF GRR HAD FIRE WARNING FLICKER ON NUMBER TWO ENGINE. ON FINAL 2 MILES OUT, FIRE WARING LIGHT CAME ON SOLID AND NUMBER TWO ENGINE EXHAUST GAS TEMPERATURE APPEARED TO START RISING. SHUT DOWN NUMBER TWO ENGINE AND FIRED BOTTLES, EVACUATED AIRCRAFT ON RUNWAY. *S/D* FOUND NR 2 ENGINE FIRE DETECTION LOWER LOOP DEFECTIVE. FOUND ELEMENT FAILED INTERNALLY. REPLACED NR 2 ENGINE FIRE DETECTION LOWER LOOP AND TESTED SYSTEM, CHECKS OK.