As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-CHECK INSPECTION IN CVG, MAIN HYDRAULIC PIPE PN HC291H0310-000 CHAFED BEYOND LIMITS FOR NR 2 ENGINE. MAINTENANCE REMOVED AND REPLACED MAIN HYDRAULIC PIPE PN HC291H0310-000 IAW AMM 20-09-12 LEAK CHECK GOOD. REFER TO 409 NR 128404 FOR DETAIL. A/C RELEASE DATE 7/25/2003.