As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 ENGINE FAILED TO MAKE T/O POWER. FOUND BROKEN PS4 LINE AT NR 1 ENGINE FUEL CONTROL ASSY. REPLACED HARD LINE WITH FLEX HOSE ASSY IAW 20-10-12. PERFORMED GROUND MAINTENANCE RUN AT ALL POWER SETTINGS, CHECKED OUT IAW BMM CHAPTER 72-00, NO DEFECTS NOTED.