As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE F/A WAS OPENING L1 DOOR, THEY FELT RESISTANCE AND STOPPED. CAPTAIN WAS ADVISED BY MAINTENANCE TO OPEN DOOR AND WHEN DOOR WAS OPENED, THE SLIDE DEPLOYED. DURING DEPLOYMENT THE DOOR ASSIST MECHANISM DID NOT ACTIVATE. ACFT WAS FLOWN VIA MAINTENANCE FERRY WHERE SLIDE AND GIRT BAR WERE R & R IAW AMM AND OPS CHECKED GOOD. ACFT IS GOOD FOR SERVICE.