As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLT 549 - ATL-ATL - AIR RETURN, ON TAKEOFF THE LEFT GEAR UNSAFE AND GEAR DOOR WARNING LIGHTS ON. RECYCLED GEAR AND GOT THREE GREEN WITH GEAR DOORS CLOSED. FOUND LEFT MLG DOOR SEQUENCE ARM BROKEN, REPLACED ARM AND PERFORMED MLG MECHANICAL CONTROL PUSH PULL CABLE RIG CHECK PER MM 52-31-0 PARA 3B. SYSTEM OPS CHECK GOOD. (M)