#"Hour To Time" = Table.TransformColumns(#"Custom 4", {{"EventStartHr", each Time.FromText(_), type time}, {"EventEndHr", each Time.FromText(_), type time}}),
#"Replaced value 16" = Table.ReplaceValue(#"Hour To Time", "", "_tbd", Replacer.ReplaceValue, {"EventType"}),
#"Replaced value 17" = Table.ReplaceValue(#"Replaced value 16", "", "_TBD", Replacer.ReplaceValue, {"Package"}),
#"Added custom" = Table.TransformColumnTypes(Table.AddColumn(#"Replaced value 17", "DFAPID2", each [DFAPID] + 54321), {{"DFAPID2", Int64.Type}}),
#"Replaced errors" = Table.ReplaceErrorValues(#"Added custom", {{"EventEndHr", #time(0, 0, 0)}, {"EventStartHr", #time(0, 0, 0)}}),
#"Changed column type 7" = Table.TransformColumnTypes(#"Replaced errors", {{"EventStart", type date}, {"EventEnd", type date}}),
#"Replaced value 18" = Table.ReplaceValue(#"Changed column type 7", null, #time(0, 0, 0), Replacer.ReplaceValue, {"EventEndHr", "EventStartHr"}),
#"Inserted merged column" = Table.TransformColumnTypes(Table.AddColumn(#"Replaced value 18", "Starting", each Text.Combine({Text.From([EventStart]) & " " & Text.From([EventStartHr])})), {{"Starting", type text}}),
#"Inserted merged column 1" = Table.TransformColumnTypes(Table.AddColumn(#"Inserted merged column", "Ending", each Text.Combine({Text.From([EventEnd]) & " " & Text.From([EventEndHr])})), {{"Ending", type text}}),
#"replacenull start" = Table.ReplaceValue(#"Inserted merged column 1", null, #datetime(1971, 10, 1, 0, 0, 0), Replacer.ReplaceValue,{"Starting", "Ending"}),
#"Replaced errors 1" = Table.ReplaceErrorValues(#"replacenull start", {{"Starting", "10/01/1971"}}),
#"Replaced errors 2" = Table.ReplaceErrorValues(#"Replaced errors 1", {{"Ending", "10/01/1971"}})