What was found
CHO - FLT 4139 - TAT 2 HEAT INOPERATIVE FOLLOWED BY SMOKE IN COCKPIT. REMOVED AND REPLACED RELAYS AND RELAY SOCKET IAW AMM. OPS CHECK GOOD. 9M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CHO - FLT 4139 - TAT 2 HEAT INOPERATIVE FOLLOWED BY SMOKE IN COCKPIT. REMOVED AND REPLACED RELAYS AND RELAY SOCKET IAW AMM. OPS CHECK GOOD. 9M)