As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PREFLIGHT INSPECTION, LANDING GEAR ALTERNATE LANDING GEAR EXTENSION DOOR ON FLOOR DOES NOT OPEN ALL THE WAY. REMOVED AIRCRAFT FROM SERVICE. CLEANED & LUBRICATED DOOR MACHANISM, OPS CHECKED GOOD. NO OTHER DEFECTS NOTED. RETURNED TO SERVICE.