What was found
EN ROUTE FROM JFK TO SJU, NR 2 ADI GYRO FLAG IN VIEW. RESET CIRCUIT BREAKER, NO HELP. INTERMITTENT FLAG IN CRUISE, FLAG IN VIEW AT ALL TIMES DURING DESCENT, DIVERTED TO MIA. REMOVED AND REPLACED NR 2 INSTRUMENT AMP. SYSTEM OPS NORMAL I.A.W. DC-8 MM 34-25-00.