As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON PUSHBACK HF'S 1 AND 2 UNREADABLE. GROUNDED - YES. PERFORMED HF 1 AND 2 BITE REF 737-900 FIM 23-11 TASK 801 NO FAULTS NOTED REF FIM 23-11 TASK 806 PERFORMED XMIT BETWEEN MULTIPLE FREQUENCY'S AND WAS ABLE TO HAV 2 WAY COMM'S ESTABLISHED.