As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING GEAR RETRACTION L GEAR DOOR LIGHT REMAINED ILLUMINATED. DURING RECYCLE OF THE GEAR BOTH RED UNSAFE LIGHTS AND BOTH AMBER DOOR LIGHTS REMAINED ILLUMINATED WITH GEAR HANDLE UP. GEAR HANDLE DN INDICATED SAFE. INSPECTED MAIN GEAR, NOSE GEAR UPLOCK SENSORS, NOSE GEAR SQUAT SWITCH, REPLACED LANDING GEAR ACC, UNIT PER B727 MM 32-09-121 PG 501/507. NO DEFECTS NOTED.