As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING A SCHEDULED 100 HOUR INSPECTION OF THE NR1 ENGINE, THE FUEL DRAINS OF THE COMBUSTION CHAMBER WERE FOUND DISCOLOURED AS WELL AS ONE FLEX HOSE BURNT FROM THE INSIDE OUT. INVESTIGATION FOUND THE INTERNAL PARTS OF THE VALVE WERE MISSING.