As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHORTLY AFTER LINE CHECK, CREW O2 PRESSURE WAS AGAIN BELOW 1500PSI AFTER BEING SERVICED JUST PRIOR. DURING INSPECTION FOUND OXGEN BOTTLE VALVE DAMAGED AND LEAKING. BOTTLE REQUIRES REPLACE. REMOVED AND REPLACED CREW OXYGEN BOTTLE (5101HT) W/ REF TO ATR-A-35-11-10-01001-520A-A/720A-A. PERFORMED LEAK CHECK, WITH NO DEFECTS NOTED.