What was found
#2 HF DISPLAYS "FAIL FAIL" APPROX 5 SEC AFTER TUNING A FREQ. GROUNDED - YES. COULD NOT DUPLICATE FAIL FAIL MESSAGE PERFORMED B737-900 FIM 23-11 TASK 806 OPS CHECK GOOD. ETOPS GROUND VERIFICATION CELL CALL SUCCESSFUL.
- Difficulty date
- February 18, 2023
- Submitted
- February 20, 2023
- Operation
- Air carrier
- Aircraft
- N408AS
- Make and model
- Boeing 737900ER
- Aircraft serial
- 41732
- Aircraft time
- 37,377 hours, 11,828 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Unknown
- Part number
- UNKNOWN
- Condition
- Unknown
- Location
- Unknown
- Stage of operation
- NR
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.