What was found
AIRCRAFT WAS GROUNDED: 4R DOOR BOTTLE PRESSURE LOW. SERVICED 4R DOOR TO PROPER LEVEL PER AMM 52-20-00.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS GROUNDED: 4R DOOR BOTTLE PRESSURE LOW. SERVICED 4R DOOR TO PROPER LEVEL PER AMM 52-20-00.