As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TURBINE COOLING MANIFOLD, COOLING TUBE HAS A DENT EXCEEDING 20 PERCENT LIMIT ON NR 1 ENGINE RT SIDE, LOW PRESSURE SIDE. NEAR 3 O'CLOCK POSITION. REMOVED NR 1 ENGINE LPT COOLING MANIFOLD AC13 IAW MM. REPLACED ON NR 1 ENG COOLING MANIFOLD AC13.