Maybe he means that there will not be a dumbed down report for the public, or he means that there will only be a minimal pro forma summary for ICAO as the investigation continues.
He does say that the full final report will be put on their web site, but the preliminary report may not be made public. I had a quick look at Annex 13 and it does include the people who must receive the report, but not who may not. He has previously said that this report will be only a very brief statement of the facts known, not any analysis. That was before they recovered the FDR/CVR though, so they may be tempted to include more information.