As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HF #1 AUTOTUNED AWAY FROM SET FREQ OF 10057 TO 3.154. OPS NORMAL WHEN CHANGED BACK TO 10057. 83 MINUTES LATER AUTOTUNED BACK TO 3.154. MANUALLY RETUNED TO 10057 WITH NORMAL OPS. 16 MINUTES LATER AUTOTUNED BACK TO FREQ 3.154. GROUNDED - YES. REF FIM 23-11 TASK 801. HF#1 XCVR WILL NOT TEST. REF AMM 23-11-21/401 REMOVED AND REPLACED #1 HF XCVR. BITE TEST GOOD. COMM TEST WITH SFO, RECEIVED, 3X3. GROUND VERIFICATION GOOD. OPS TEST NORMAL.