As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW O2 PRESSURE LOW, SUSPECT LEAK. PRESSURE DROP FROM 1500PSI TO 1370PSI. SUPPLEMENTAL DATA UPDATE SERVICED CREW 02 QTY TO 1810 PSI, AND WITHIN 30 MIN PRESSURE DROPPED TO 1730 PSI, AND IS CONTINUING TO DROP. 1ST OBS O2 BOX AND MASK REPLACED. LEAK CHECKS GOOD. SYSTEM HELD PRESSURE.