Thanks Hareesh for your response.
I have removed the fixedFieldLengths parameter from FCC.
However, as i have a total of 140 fields with variable lengths covering all the segments - will not creating a UDF and checking if each field is its prescribed length and if not add spaces in the UDF cause an overhead?
I am going to do this now for one segment and see what the output looks like and will update.
Regards,
Archana