# SDR ASAA2018112727131

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 27, 2018
- Submitted: November 30, 2018
- Operation: Air carrier
- Aircraft: [N419AS](https://openairdocs.org/aircraft/N419AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41734
- Aircraft time: 22,593 hours, 7,423 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Warning System
- Condition: False Activation
- Location: Cockpit
- Stage of operation: NR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2018112727131

## Discrepancy

HF1 RADIO CONTROL PANEL DISPLAYS "FAIL". GROUNDED - YES. COULD NOT DUPLICATE, TRANSCEIVER BITE CK GOOD, FAIL MESSAGE NO LONGER PRESENT, RECEPTION ON MULTIPLE FREQUENCIES. SYS CKS GOOD PER AMM 23-11-00, GND VERIFICATION SUCCESSFUL.

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