As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED. CREW REPORTED L1 DOOR HARD TO CLOSE. UPON ARRIVAL AT AIRCRAFT FOUND DOOR 90% CLOSED. WHILE ATTEMPTING TO CYCLE DOOR, DOOR ASSIST BOTTLE DEPLOYED. REPLACED SHEAR PIN, DIAPHRAGM AND SERVICED DOOR ASSIST BOTTLE PER AMM 52-11-51 AND 52-11-53. ALSO OPERATED DOOR PER AMM 52-11-00. THIS SDR IS FOR SERVICING DOOR ASSIST BOTTLE. (SEE CONTROL #AALA201806139019 AND #AALA201806139020)