What was found
WHILE IN FOR C-CHECK, MAINTENANCE REPORTED DRAIN LINE FOR NR 1 ENGINE OIL FUEL HEAT EXCHANGER DENTED. REMOVED LINE, FAB AND PRESSURE TESTED LINE IAW DPS 3.805, FOUND NO LEAKAGE. INSTALLED SERVICEABLE LINE IAW DC8-MM 75-20-02.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WHILE IN FOR C-CHECK, MAINTENANCE REPORTED DRAIN LINE FOR NR 1 ENGINE OIL FUEL HEAT EXCHANGER DENTED. REMOVED LINE, FAB AND PRESSURE TESTED LINE IAW DPS 3.805, FOUND NO LEAKAGE. INSTALLED SERVICEABLE LINE IAW DC8-MM 75-20-02.