What was found
CAPTAINS ADI DURING ROTATION AND INITIAL CLIMB SHOWED ABNORMAL INDICATION GOING THROUGH 16,000. CAPTAINS ADI GYRO FLAGS ERRECTED, RESET BREAKER AND AFTER 1 MINUTE, ADI GYRO FLAG CAME ON AGAIN. RETURN TO KMIA, NORMAL LANDING. REMOVED AND REPLACED NR 1 VERTICAL GYRO, SYSTEM OPS CHECKS NORMAL IAW M/M 34-25-1.