June 6, 1987

LEAD: New York Hospital was thrown into chaos for 22 minutes early yesterday when electrical generators failed during a scheduled repair of the main power plant, causing the death of a baby, hospital officials said yesterday.

LEAD: Leading members of the Congressional committees investigating the Iran-contra affair said today that Maj. Gen. Richard V. Secord would probably be recalled as a witness to resolve serious conflicts arising from his testimony last month.

LEAD: The New York City official responsible for exposing tax cheats was dismissed yesterday after admitting that he had failed to file his state and city income tax returns for 1984 and 1985.

LEAD: The Federal Government announced today that it would take blood samples from about 45,000 randomly selected people as part of a national survey to determine the number of Americans infected with the AIDS virus. Participation is to be voluntary and anonymous.

LEAD: New Era at University Club After years of resistance, members of the 122-year-old, all-male club have voted to admit women as members.

LEAD: The New York region is a ''picture of an economy in strength,'' with unemployment rates below 6 percent, record numbers of residents employed and job prospects for teen-agers the best in a decade, the Labor Department said yesterday.

LEAD: The chairman of the Joint Chiefs of Staff told Congress today that carrying out President Reagan's mission of putting 11 Kuwaiti tankers under American protection could lead to more military casualties in the Persian Gulf.

LEAD: The special prosecutor in the Iran-contra affair has issued subpoenas for three more Israeli citizens, prompting a new round of protests from the Israeli Government, according to American and Israeli officials.

LEAD: Garth Ward looks around his garment factory here and sees idle sewing machines where he would like to see a second shift of 150 new employees churning out sportswear.

LEAD: Klaus Barbie was forced to appear at his trial today for the second time and was formally identified by two of his accusers, one of them weeping and the other trying to taunt him in front of the court.

LEAD: The authorities have freed a former Nazi death-camp guard after attempts to return him to the United States failed, the Interior Ministry said today.

LEAD: ''There are no absolute guarantees that such an operation will be casualty-free, or that Iran will not escalate the sea war, which will present us with further difficult choices. On the other hand, we have the capability to keep the oil lanes to Kuwait open, to assure our Arab friends of our commitment, and to keep the risks low.