As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON HF/SAT SELECT PANEL ON CENTER CONSOLE HF/SAT TRANSFER HF 1 SELECT BUTTON LIGHT INOPERATIVE. ACFT GROUNDED. PERFORMED MASTER DIM AND LIGHT TEST REF AMM 33-18-00-710-802 AND OPERATED HF/SAT TRANSFER 1 & 2 SELECTOR BUTTON OPS CHECK GOOD UNABLE TO DUPLICATE.