As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING L2 DOOR ASSIST BOTTLE 48 HR CHECK, FOUND BOTTLE BELOW EXCEPTABLE LIMITS. REMOVED AND REPLACED AFT PASSENGER DOOR PNEUMATIC ASSY. DIAPHRAGMIAW AMM 52-12-53. SERVICED L2 DOOR ASSY. BTL IAW AMM 52-12-51 TO 2100 PSI. NO FURTHER DEFECTS NOTED AT THIS TIME. OK FOR SERVICE.