What was found
HF1 SHOWING FAIL ON RADIO HEAD DISPLAY. GROUNDED - YES. ACCOMPLISHED B737-800 FIM 23-11 TASK 801. LRUS BITE TEST PASSED GROUND VERIFICATION SUCCESSFUL. HF1 & HF2 OPS NORMAL.
- Difficulty date
- November 19, 2019
- Submitted
- November 21, 2019
- Operation
- Air carrier
- Aircraft
- N516AS
- Make and model
- Boeing 737890
- Aircraft serial
- 39044
- Aircraft time
- 41,498 hours, 12,464 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Warning Message
- Condition
- False Activation
- Location
- Hf 1
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.