As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE MAINTENANCE TEAM REPORTED RIGHT OXYGEN BOTTLE WAS SUSPECTED OF LEAKING OXYGEN. THE MAINTENANCE TEAM TROUBLESHOT AND DETERMINED AND FOUND AN OXYGEN LEAK AT TEE FITTING BEHIND EXTERIOR PRESSURE GAUGE. THE TEAM REMOVED THE CRACKED TEE FITTING AND INSTALLED A NEW FITTING. LEAK CHECKS WERE SATISFACTORY AND THE AIRCRAFT WAS RETURNED TO SERVICE.