What was found
"INFO TO MX" RTO;BTB TAKEOFF AND THROTTLE ADVANCE LEFT ENGINE N1 STAGNANT. L ENGINE N1 AT 25 WHEN R ENGINE AT N1 55. REMOVED AND REPLACED FUEL PUMP ENG #1 REF AMM 73-12-01. LEAK CHECK FAIL. FUEL PUMP LEAKING (BAD FROM STOCK) S/N #0431. REMOVED BAD FUEL PUMP AT ENG 1 PER AMM 73-12-01-000-801. UP TO STEP D. INSTALLED FUEL PUMP PER AMM 73-12-01. PENDING LEAK AND OPS CHECK UP TO STEP F(2). LEAK CHECK PASSED OPS CHECK GOOD OF #1 ENG FUEL PUMP PER AMM 73-12-01-400-801. COMPLETED REMAINING STEPS OF AMM 73-12-01-400-801