Specifications include, but are not limited to: 2,000-hour engine inspection and repair on one Rolls Royce Engine, per FAA rules and regulations 2,000-hour inspection/repair of Rolls Royce Engine Rolls Royce Model 250-C47B, SN CAE-848347 The following specifications from the Rolls Royce C47B maintenance manual are as follows: Replace 1st and 2nd turbine wheels with new. Replace all other required turbine parts with new and restoration of all other turbine parts required by the overhaul manual. Compressor assembly 2,000-hour inspection. Engine gearbox external inspection and replace FWU double lip seals with new. Engine and combustion section build kits and test cell runs; additional parts restoration as required. Comply with 2,000-hour inspection IAW RR 250-C47B maintenance manual Chapter 72-00-00, page 618. Remove and replace fuel filter element. Inspect combustion liner. Examine outer combustion case for cracks using Leak-Tec and/or FPI. Inspect compressor discharge air tubes. Inspect the spur adapter gearshaft, compressor rotor splined adapter and associated impeller bore. Inspect the turbine inner to compressor coupling, turbine splined adapter, power turbine inner shaft, and turbine shaft to pinion gear coupling. Examine the power drivetrain gears.