As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PREFLIGHT, FOUND FLUID LEAKING OUT OF REAR OF THE NR 1 ENGINE. FOUND AN OIL SUPPLY LINE MOUNTING CLAMP BROKEN AND OIL LINE CHAFED THROUGH. REMOVED AND REPLACED THE AFFECTED ENGINE OIL LINE AND CLAMPS IAW AMM 70-00-00-02-0-F. RAN THE NR 1 ENGINE. ALL RUN CHECKS GOOD AND LEAK CHECKED GOOD. ACFT OK FOR SERVICE.