As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN DOOR WILL NOT OPEN FROM INSIDE. INSPECTED AND FOUND MAIN DOOR FWD INTERMIDIATE TORQUE TUBE CIRCLET UNSECURE THAT ALLOWED TORQUE TUBE TO FLOAT LATERALLY AND BIND, RESECURED FWD INTERMIDIATE TORQUE TUBE CIRCLET. OPS CHECK SAT. NO DOOR ADJUSTMENTS WERE MADE.