There are many SAP Notes on these issue. I am sure one like Note 1223997 - Amounts incorrect in FAGLB03 navigation to FAGLL03 and FB03 will help in your case.
Dear expert SAPNote 1113114 SAPNote 1163346 SAPNote 1047254, SAPNote 999742, SAPNote 1005736 SAPNote 1156974 Regards Ajeesh.s