What was found
ON TAKE OFF ENGINE 1 COMPRESSOR STALLED WITH N1 ROLL BACK X 3. NO OTHER INDICATIONS. DUMPED 130K AND RETURNED TO CDG. REPLACED #1 ENGINE HP FUEL PUMP PER MM 73-12-01-4-1. REMOVED AND REPLACED #1 ENG HMU IAW AMM 73-21-01-4-1. PERFORMED ENG #1 WET MOTOR TEST 01W AND ENG-UP LEAK TEST 10 IAW MM 71-00-00-5. PERFORMED ENG-UP LEAK CHECK TEST 10 AND ECU RETURN TO SERVICE. TESTED IAW MM 73-21-02-5-1 , NO LEAKS FOUND AND ALL TEST PASSED, IAW FIM 71-00 FAULT TREE, FIGURE 106. PERFORMED ENGINE NR 1 POWER ASSURANCE TEST (06) IAW MM TASK 71-00-00-700-804, ALL PARAMETERS NORMAL, ACFT OK FOR SERVICE.