As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT NOT GROUNDED. CREW REPORTED 4R DOOR ASSIST BOTTLE PRESSURE LOW. MAINTENANCE SERVICED DOOR 4R ASSIST BOTTLE PER TASK 52-13-14-200-001-A AND SUB TASK 52-10-00-614-001-A. OPERATIONS CHECK NORMAL AND INDICATION NORMAL.OKAY FOR SERVICE.