As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS DURING WALK AROUND FOUND NR 2 ENGINE HEAT EXCHANGE OIL LINE (P/N FK12480) CHAFED & LEAKING. REMOVED AND REPLACED HEAT EXHCHANGER OIL TUBE (P/N FK12480), REFERENCE AMM 79-21-51 & IPC FIGURE 79-21-51-61. LEAK CHECK PENDING. PERFROMED ENGINE HIGH POWER RUN. LEAK CHECK GOOD. OK FOR SERVICE.