As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ALL THREE FLIGHT DECK O2 MASKS HAVE NO PRESSURE. REMOVED FROM SERVICE. GVI OF AREA AROUND CREW O2 BOTTLE. FOUND MALE BAYONET FITTING FOR HOSE WAS NOT SEATED. RESEATED. OPS TEST OF CREW OXYGEN SYSTEM IAW AMM TASK 35-10-00-710-801 RESULTS GOOD, NO FURTHER DEFECTS NOTED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.