What was found
FLT FX076 - TAKEOFF ABORTED AT 138 KNOTS DUE FIRE WARNING ALARM (AURAL AND VISUAL). AFTER REJECTED TAKEOFF (THROTTLES IDLE, FULL REVERSE, MAX BRAKING) NO FURTHER INDICATION. WAS UNABLE TO DETERMINE WHICH ENGINE CAUSED WARNING. INSPECTED ALL ENGINES AND NO DAMAGE FOUND. PERFORMED CHAPTER 5 HIGH ENERGY STOP INSPECTION AND CMC GROUND TEST, NO ABNORMALTIES NOTED. PERFORMED ENGINE RUN-UP AND WAS UNABLE TO DUPLICATE DISCREPANCY. NO CMC MESSAGES RECORDED IN PLF (PRESENT LEG FAULTS) OR EF (EXISTING FAULTS). (X)