As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CAPTAIN`S OXYGEN MASK IS LEAKING AIR WHEN THE MASK CONTAINER DOOR COVER IS OPEN AROUND THE FLOW INDICATOR. REMOVED AND REPLACED THE OXYGEN MASK STOWAGE BOX IAW 35-11-15. OPS CHECK COMPLIED AND PASS IAW 23-51-06. LEAK TEST OF THE CREW OXY SYSTEM IAW 35-10-06.