What was found
ATB, UNABLE TO RECEIVE HF RADIO TRANSMISSIONS ON EVERY HF FREQ WE COULD FIND. CONTACTED DISPATCH, ATB REQUIRED. PRIOR TO DEPT HF CHECK WITH OTHER ARCFT SUCCESSFUL ON BOTH HF RADIOS. HF LT. T/S LT HF SYS, FOUND HF TRANSCEIVER STUCK ON 10MHZ AND FREQUENCY WOULD NOT CHANGE WHILE USING CONTROL PANEL, ALSO OBSERVED SQUELCH FUNCTION INOP, REPLACED LEFT HF TRANSCEIVER PER B767 AMM 23-11-03, OPS TEST IN MANUAL CHECKS GOOD, PERFORMED ADDITIONAL OPS TEST AS FOLLOWS; VERIFIED SIDETONE/MONITOR FUNCTION PRESENT, VERIFIED TUNING FUNCTION IS GOOD, AND MADE 2 CONTACT WITH STATIONS IN FLORIDA AND PENNSYLVANIA WITH 5/5 SIGNAL REPORTS, ALSO RECEIVED THEM AT A 5/5 SIGNAL, ALL CHECKS ARE GOOD, THIS CLEARS MEL, PLACARD REMOVED.