What was found
CAPT HSI FAILED ON TAXI OUT. REMOVED AND REPLACED NR 2 DIRECTIONAL GYRO PER M/M 34-21-21,SYS OPS CHK GOOD
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CAPT HSI FAILED ON TAXI OUT. REMOVED AND REPLACED NR 2 DIRECTIONAL GYRO PER M/M 34-21-21,SYS OPS CHK GOOD