As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE, THE CREW NOTED THAT THE OXYGEN PRESSURE HAD DROPPED TO 300 PSI. FLIGHT DEPARTED WITH A PRESSURE OF 700 PSI. AIRCRAFT DIVERTED TO MIA AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE CREW OXYGEN BOTTLE AND REGULATOR, LEAK AND OPERATIONAL CHECK OK.