As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING SCHEDULED INSPECTION, B-NUT ON P/N 6614200-27 TUBE ASSY WAS BACKED OFF WITH ONLY ONE THREAD ENGAGED. THIS IS THE FIRE EXTINGUISING TUBE FOR THE RIGHT ENGINE. THIS IS FIRST INSPECTION SINCE AIRCRAFT LEFT FACTORY. B-NUT RETORQUED.