What was found
ON PREFLIGHT, HF 1 PANEL WINDOW INDICATES FAIL IN BOTH ACTIVE AND STANDBY WINDOWS. GROUNDED - YES. CYCLED POWER TO #1 HF. ALL TUNING PANEL INDICATIONS NORMAL. HAS NO OTHER RECENT HISTORY.
- Difficulty date
- July 22, 2019
- Submitted
- July 23, 2019
- Operation
- Air carrier
- Aircraft
- N593AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35107
- Aircraft time
- 43,055 hours, 12,993 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Warning System
- Condition
- Malfunctioned
- Location
- Cockpit
- Stage of operation
- TX
- 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.