As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RETRACTABLE STEP ASSEMBLY MECHANISM IS ATTACHED TO THE LANDING GEAR STRUT BY A STEEL BRAIDED CABLE WITH METAL CLAMP. CLAMP AROUND STRUT ROTATED ALLOWING EXCESSIVE SLACK IN THE CABLE. WHEN THE LT LANDING GEAR WAS EXTENDED IT CAME IN CONTACT WITH THE RETRACTABLE STEP ASSEMBLY AND WOULD NOT ALLOW THE LANDING GEAR TO LOCK IN THE DOWN POSITION.