What was found
HF 1 SEEMS TO TRANSMIT FINE BUT RECEIVE IS VERY WEAK AND OCC. UNREADABLE. HF 2 WORKS FINE. GROUNDED - YES. ACCOMPLISHED HF RADIO CHECK PER B737-900 FIM 23-11-806. SUCCESSFUL GROUND VERIFICATION ACCOMPLISHED. HF 1 CHECKS NORMAL.
- Difficulty date
- April 17, 2019
- Submitted
- April 20, 2019
- Operation
- Air carrier
- Aircraft
- N440AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41705
- Aircraft time
- 21,923 hours, 7,183 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Hf Comm
- Condition
- Malfunctioned
- Location
- Nr 1
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.