d. Torque checked M/R mast nut, M/R hub through bolts, & MIR hub lower cone after 15` ground run. Balanced T/R & oil cooler assemblies and tracked & balanced M/R assy using RADS. Power assurance check performed +22. Swung compass. Complied with the following: TB 407-98-10 100 hour inspection & lube of T/