As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN PERFORMING AN EMERGENCY GEAR EXTENSION TEST, THE LEFT GEAR WOULD NOT COME DOWN. FOUND THE LEFT DOOR OPEN (EMERGENCY) PULL CABLE BROKEN. IF THIS HAD HAPPENED IN-FLIGHT, THE CREW WOULD NOT HAVE BEEN ABLE TO GET THE LEFT GEAR DOWN USING THE EMERGENCY SYSTEM.