What was found
DEN - LOW OXYGEN PRESSURE CAUTION MESSAGE. AIRCRAFT RETURNED TO THE GATE. MAINTENANCE REPLACED THE CAPILLARY LINE AT THE GAUGE. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DEN - LOW OXYGEN PRESSURE CAUTION MESSAGE. AIRCRAFT RETURNED TO THE GATE. MAINTENANCE REPLACED THE CAPILLARY LINE AT THE GAUGE. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.