What was found
HF1 FREQUENCIES HAVE PROBLEMS UNDERSTANDING TRANSMISSIONS. ATC REPORTS OU VOICES OVER HF ARE NOT UNDERSTANDABLE AS WELL. GROUNDED - YES. PERFORMED HF OPERATIONAL TEST ON BOTH HF SYSTEMS PER AMM TASK 23-11-00-710-801. NO DEFECTS NOTED.
- Difficulty date
- September 1, 2023
- Submitted
- September 5, 2023
- Operation
- Air carrier
- Aircraft
- N960AK
- Make and model
- Boeing 7379
- Aircraft serial
- 44092
- Aircraft time
- 2,016 hours, 597 cycles
- System (JASC)
- 2300 · Communications System
- Part
- Unknown
- Part number
- UNKNOWN
- Condition
- Unknown
- Location
- Unknown
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.