AUDITORS LIFT QUALIFICATION ON PS INDIANA <PIN> Auditors for Public Service Co of Indiana Inc lifted a qualification, in effect for two years, on its 1986 financial results, according to the company's annual shareholders' report. PSI's report was qualified in 1984 and 1985 when its auditors, Arthur Andersen and Co, questioned the utility's ability to recover costs of its Marble Hill nuclear power plant and to extend the maturity of its credit agreement. The company wrote off 141 mln dlrs of Marble Hill costs in November, 1986 and repaid its final 20 mln dlrs in debt in October, 1986, it said.