What was found
WITH LANDING GEAR RETRACTED, GEAR DOOR OPEN LIGHT AND RIGHT GEAR UNSAFE LIGHT REMAINED ILLUMINATED. RECYCLING GEAR, HAD NO EFFECT ON THIS CONDITION. FERRIED AIRCRAFT BACK TO ILN UNDER FERRY PERMIT 002-003. REMOVED, CLEANED, LUBRICATED AND REINSTALLED DOOR SEQUENCING CABLE IAW DC-9 MM 32-31-00-4-0001 AND ADJUST TEST IAW DC-9 MM 32-31-00-5-00-01. REPLACED SHEARED RIVETS IAW DC-9 SRM 51-30-2.