T56 Turboprop Engine Maintenance Plan. Open PDF Document Details Document Type Technical Report Publication Date Jan 01, 1978 Accession Number ADA049939 Entities Organizations ARINC Tags Communities of Interest Energy and Power Technologies DTIC Thesaurus Topics Bearing Rollers Bearings Combustion Combustion Chambers Compressors Control Systems Couplings Drive Shafts Engine Components Labyrinth Seals Oil Seals Planetary Gears Plastic Explosives Propeller Shafts Reduction Gears Roller Bearings Turboprop Engines