As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE PILOT REPORTED THE L3 DOOR ASSIST BOTTLE WAS IN YELLOW RANGE. THE AIRCRAFT WAS GROUNDED. FOUND A LEAK AT THE HIGH PRESSURE CHARGING VALVE IAW RD 52-10-00-2. REMOVED AND REPLACED THE CHARGING VALVE AND PACKING IAW AMM 52-10-00. LEAK CHECKED GOOD.