5 © 2001 5.3 Maintenance Work Completed Routine Maintenance Date Op. hours 2875 3125 3375 3625 3875 4125 4375 4625 4875 5125 5375 5625 2875 3000 3125 3250 3375 3500 3625 3750 3875 4000 4125 4250 4375 4500 4625 4750 4875 5000 5125 5250 5375 5500 5625 5750 Duly completed maintenance jobs can be recorded and signed off in the above chart.