As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 ENG VENT LINE TO THE RESTRICTOR VALVE ON THE DEOILER CRACKED. LINE IS NR 3 BEARING RESTRICTOR VALVE AP39 AIR SUPPLY TUBE. NEW LINE ON AOG. REMOVED NR 3 BEARING RESTRICTOR VALVE AP39 SUPPLY LINE. REMOVED PARTS IN AREA. REPLACED LINE.