As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STEERING INOPERATIVE CAUTION ON CLIMBOUT. WOULD NOT RESET IAW QRH. MESSAGE CLEARED WITH STEERING OFF. EMERGENCY DECLARED, LANDED UNEVENTFULLY. DUPLICATED FAULT, FOUND ECU DOES NOT GO INTO AIR MODE INTERMITTENTLY, REPLACED ECU IAW AMM 32-41-01. STEERING OPS CK GOOD.