As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NO RECEPTION ON BOTH HF RADIOS SENSOR SET TO 100. OPS CHECKED HF COM SYS REF AMM 23-11-00/501. OPS CHECK GOOD. ABLE TO RECIEVE & TRANSMIT ACFT TO ACFT TESTED FREQUENCY 5.000 & 10.000, RECIEVED PROPER MSG FOR HF 1. HF 2 DIDN'T RECIEVE PROPER MSG DURING 5.000/ 10.000 CHECK. R&R HF 2 TRANSCIEVER, OPS CHECK GOOD. ABLE TO RECEIVE & TRANSMIT ACFT TO ACFT. OPS CHECKED FREQUENCY 5.000/10.000, CHECKED GOOD. NO MAINT MSGS WHEN MX ENTERED ACFT. R & R HF 2 TRANSCIEVER. OPS CHECK GOOD.