What was found
DURING TO + CLIMBOUT THE #1 ENGINE NEVER ACCELERATED TO THE COMMANDED N1 SETTING. EVEN ATTEMPTING TO MANUALLY SET THE THRUST TO THE COMMANDED N1 THE #1 ENG WAS 2 TO 4% LOWER THAN THE #2 ENG SETTING. ; THE COMMAND INDICATOR MOVED BUT THE #1 ENG NEVER REACHED WHAT WAS COMMANDED. BELOW APPROXIMATELY 83% N1 THE ENGINE OPERATED NORMALLY. / [01] REMOVED AND REPLACED #1 ENGINE FUEL PUMP PACKAGE AND HMU PER MT 773-11-00 AND MT 773-21-10. WE ACCOMPLISHED TEST 5 OF POWER ASSURANCE 71-00-00-800-811 AND #1 ENGINE PASSED. WE ALSO PERFORMED A HIGH POWER RUN @ TAKE OFF POWER AND #1 ENGINE OPS CHECK GOOD AT THIS TIME.; [02] VERIFIED WORK ACCOMPLISHED