As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT DIVERTED TO DEN WHEN SUPPLEMENTAL OXYGEN WAS LOST. WHILE SEARCHING FOR O2 LEAK FOUND CREW O2 REGULATOR TRANSMITTER ASSY LEAKING MASSIVLY. LEAK IS AT THE BACK OF THE TRANSMITTER HOUSING. REPLACED REGULATOR ASSY. LEAK CHECKED REGULATOR. NO LEAKS NOTED.