As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOW BOTTLE. BOTTLE ORIGINALLY FILLED ON THE LOW SIDE OF GREEN, BEFORE UAL UPDATED JD TO REFERENCE ALL BOTTLES TO BE RETURNED TO SERVICE ON THE HIGH SIDE OF GREEN BAND. TECHNICIANS WOULD FILL ACCORDING TO CMM WHICH WOULD CONSIDER LOW SIDE OF GREEN BAND ACCEPTABLE. CORRECTIVE ACTION WAS UPDATED WHEN JD RECEIVED AND ALL SLIDES LEAVE WSI ON HIGH SIDE OF GREEN BAND.