As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW OXYGEN PRESSURE DECREASING, APPARENT LEAK. FOUND LEAK AT B-NUT ON CREW SUPPLY LINE ON SMALL BORE PIPE. LOOSENED AND RETORQUED B-NUT AND NOW NO LEAKS IAW MM 35-11-00 AND MM 12-15-08 AND OXYGEN STILL ABOVE MINIMUM DISPATCH LIMITS AT 1180 PSI. TOTAL LOSS FOR FLT BEFORE REPAIR WAS 20 PSI AFTER BOTTLE TEMP EQUALIZED.