As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOI- ON FLIGHT 2364 DURING LINE CHECK, PULLING ALTERNATE RELEASE HANDLE, LEFT MAIN LANDING GEAR DOORS WOULD NOT OPEN. INSPECTED LINKAGE, PIVOT ASSMEBLIES, AND VALVES. SECURED LOOSE BOLT. NO PARTS REPLACED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.