What was found
HF 1 FAIL ANNUNCIATED. GROUNDED - YES. RESET PWR TO HF 1 BY PULLING, THEN RESETTING HF 1 C/B. "FAIL" EXTINGUISHED IN RTP'S REPLACED BY SET FREQUENCIES AS NORMAL. HF 1 OPS NORMAL PER AMM 23-11-00. GND VERIFICATION SUCCESSFUL.
- Difficulty date
- November 25, 2018
- Submitted
- November 28, 2018
- Operation
- Air carrier
- Aircraft
- N584AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35682
- Aircraft time
- 43,003 hours, 12,826 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.