As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMB, ATT LIGHT ON ADI CAME ON. CAPT ADI SHOWED 6 DEGREE NOSE HIGH. CAPT AND F/O HSI SHOW 6 DEGREE DIFFERENCE. LINE-UP AFTER 5 MINUTE LEVEL FLIGHT. REMOVED AND REPLACED NR 1 VERTICAL GYRO AND NR 3 DIRECTIONAL GYRO, BOTH SYSTEMS OPS CK GOOD IAW AMM 34-25-00.(STATUS:ORIG/CLOSED)