What was found
RT HF RADIO WILL NOT TUNE (CONTINUOUS TONE). REMOVED AND REPLACED RT HF COUPLER IAW MM 23-11-01-4, OPS CHECK OK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
RT HF RADIO WILL NOT TUNE (CONTINUOUS TONE). REMOVED AND REPLACED RT HF COUPLER IAW MM 23-11-01-4, OPS CHECK OK.