The contractor must provide all resources to inspect, upgrade, and overhaul Hanger Assembly components, with an estimated quantity range of 20 to 420 units. The anticipated delivery schedule is 120 days from receipt of asset at a rate of 10 per month, with the delivery location to be determined. This is a single award, Firm Fixed Price, five-year Indefinite Delivery Indefinite Quantity (IDIQ) contract with a 60-month period of performance. The part is a Critical Safety Item, requiring approval from the Systems Readiness Directorate, with The Boeing Company and Goodrich Corporation as currently known approved sources. This presolicitation notice is not a solicitation, and no proposals or bids should be submitted at this time.