As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REF NON-ROUTINE C062832. DURING DEN C2 C-CHECK, INSP NOTED A FUEL LEAK FROM THE NR 1 ENGINE HYDROMECHANICAL UNIT, COMING FROM A BLISTER ON A FUEL LINE. MX REMOVED AND REPLACED THE FLEXIBLE LINE IAW AMM 73-21-10-420-054 AND PERFORMED LEAK CHECK IAW AMM 73-21-10-400-002.