What was found
THE FLIGHT REJECTED TAKE-OFF DUE TO A COMPRESSOR STALL ON NR 1 ENGINE. WITNESSES SAW FLAMES COMING OUT AND A BANGING NOISE ALERTED THE CREW. REJECTED TAKE-OFF INITIATED AT 40KTS. THE AIRCRAFT WAS GROUNDED. ACCOMPLISHED MCM CARD 72-92-12 FOR COMPRESSOR SURGE. REMOVED AND REPLACED THE EEC SUPERVISORY AND LIMITER IAW AMM 73-21-07, DEDICATED GENERATOR IAW AMM 73-21-08, TRANSIENT PRESSURE SENSOR UNIT IAW AMM 75-32-15, BLEED VALVE CONTROL UNIT IAW AMM 75-32-01, AND ALTITUDE SWITCH IAW AMM 75-32-07, ACCOMPLISHED AIRLFOW CONTROL TEST 3 IAW AMM 71-00-00, AND ACCELERATION, DECELERATION TEST 11 IAW AMM 71-00-00. NO DEFECTS NOTED AFTER FINAL ENGINE RUN. OPS AND LEAK CHECKED GOOD. OK FOR SERVICE.