As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT IN BASE MAINTENANCE. LOW PRESSURE ON 4R DOOR ASSIST BOTTLE, CAUSED BY BLOWN DIAPHRAGM. REMOVED AND REPLACED R4 DOOR ASSIST BOTTLE DIAPHRAGM IAW AMM 52-10-00-860-803-A. SERVICED BOTTLE IAW AMM 52-10-00-600-802-A. LEAK CHECK GOOD.