What was found
HF 2 FAIL/FAIL INDICATIONS ON BOTH COMM CONTROL HEADS. GROUNDED - YES. ACCOMPLISHED HF 2 BIT, PER FIM 23-11 TASK 801 AND 806 HF 2 GROUND VERIFICATION OPS NORMAL, REF AMM 23-11-21.
- Difficulty date
- April 29, 2019
- Submitted
- May 1, 2019
- Operation
- Air carrier
- Aircraft
- N419AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41734
- Aircraft time
- 24,180 hours, 7,901 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Warning System
- Condition
- False Activation
- Location
- Cockpit
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.