What was found
NR 2 ENG RPM LO ON CLIMB-OUT (FLAMEOUT). CREW REPORTED DURING CLIMB-OUT NR 2 ENG N1 WENT TO 11 PERCENT WITH N2 ALMOST 0 PERCENT, LOW EGT, AND FF APPROX 600 PPM. INSP NR 2 ENG INLET AND EXH FOR METAL PARTICLES AND FOD. NO DEFECTS NOTED. CHKD NR 2 ECU, NO FAULTS FOUND IN BOTH CHNLS A AND B. PERFORMED RTS ON NR 2 ECU CHNLS A AND B. ALL TESTS PASSED. PERFORMED NR 2 ENG RUN, NRML ENG START. PERFORMED HIGH PWR RUN AT 70 PERCENT N1 ON ALL 3 ENG. RECEIVED SAME READINGS ON ALL 3 ENGS WENT DOWN TO IDLE AND RAN NR 2 ENG AT 85 PERCENT N1 BACK TO IDLE AND WENT UP TO 100 PERCENT N1. NR 2 ENG IND NML AND STEADY WHOLE TIME. WENT BACK TO IDLE AND RETURNED TO GATE. ENG RUNS PERFORMED BY FLT CREW. R & R NR 2 ENG ECU, HMU AND MAIN FUEL PUMP PER APPLICABLE MM.