What was found
AIRCRAFT WAS GROUNDED: 4R DOOR BOTTLE LOW PRESSURE. SERVICED R4 DOOR ASSIST BOTTLE IAW AMM 52-10-00.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS GROUNDED: 4R DOOR BOTTLE LOW PRESSURE. SERVICED R4 DOOR ASSIST BOTTLE IAW AMM 52-10-00.