What was found
FLT NR 401 - AFTER PUSHBACK, FLIGHT ATTENDANT WARNING FOR DOOR 4R, RETURNED TO GATE. MAINTENANCE SERVICED 4R DOOR ASSIST BOTTLE PER MM 52-10-00.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLT NR 401 - AFTER PUSHBACK, FLIGHT ATTENDANT WARNING FOR DOOR 4R, RETURNED TO GATE. MAINTENANCE SERVICED 4R DOOR ASSIST BOTTLE PER MM 52-10-00.