The present document is a technical report of the LTE Advanced intra-band non-contiguous Carrier Aggregation in Band 41 for 4 DL work item which was approved at TSG RAN #66 [2]. The objective of this work item is to provide specification support for intra-band non-contiguous carrier aggregation in LTE TDD Band 41 for 4DL. The report provides motivation, requirements and a list of recommended changes to the specifications.