As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UNABLE TO HEAR ON HF NR 1 ON ANY FREQS. HF NR 2 ONLY USABLE IF HF NR 1 SELECT SWITCH IN SAT POSITION. BOTH HF NR 1 (P-13) & HF NR 2 (P-6) CIRCUIT BREAKERS WERE IN. ACFT GROUNDED. FIM TASK 23-11-TASK 801 HF SYS BITE PROC. ALL TEST PASSED. PERF. HF SYS OPS TEST IAW AMM 23-11-00. NR 1 & NR 2 HF SYS BOTH PASSED. GROUND VERIFICATION TEST SUCCESSFUL.