WASHINGTON, July 9— Robert S. McNamara, president of the World Bank, has decided not to distribute to nations that have granted aid to Pakistan a written report by his staff that describes conditions in East Pakistan as close to chaotic.

The author of the report, Peter Cargill, who headed the bank's mission to Pakistan, gave an oral summary of it to the 11‐nation Pakistan Aid Consortium in Paris late last month. The consortium decided to hold up any further aid commitments for the time being.

In deciding whether the full written version of the report should be distributed to the consortium's members, Mr. McNamara ruled that it should not, on the ground that it might worsen an already difficult diplomatic situation, World Bank sources said.

The United States has been ambiguous about whether further aid to Pakistan should be approved by the consortium. But Mr. McNamara's decision was not based on United States wishes, according to authoritative sources.

The Cargill mission is under stood to have found that political repression continued to exist in East Pakistan and that the economy was hardly functioning. The Pakistani Army began last March to crush an autonomy movement in East Pakistan.