What was found
UNIT INOPERATIVE. CAUSES HSI TO PRECESS WHILE SLAVED. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
UNIT INOPERATIVE. CAUSES HSI TO PRECESS WHILE SLAVED. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.