Pakistan International Airlines (PIA) invites sealed bids from companies/firms for hiring a firm to provide support on a flight hour basis for the PIA B777 fleet aircraft specific number of components. The services include access to a pool of rotable components on a one-for-one exchange basis, including processes to demand, deliver, and return components, as well as test, repair, overhaul, modification, and scrap replacement of exchanged components. The contract duration is six years with an option for extension by mutual consensus. The program covers more than 206 exclusive part numbers and their alternates with unlimited exchanges. The service provider must comply with regulatory requirements and provide comprehensive support including 24/7 AOG service, component reliability monitoring, and training. Financial proposals will be evaluated based on cash flow requirements over the contract term.