As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYSTEM - HF NR 1 NO TRANSMIT. PULLED AND RESET HF1 C/B AND OPERATION RETURNED TO NORMAL. OK FOR SERVICE. NO PROMPTS WERE AVAILABLE TO PERFORM BITE TEST. AFTER RESETTING THE C/B THE PROMPTS RETURNED AND SYSTEM OPS CHECKED NORMAL.