# SDR ASAA2019042299076

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 19, 2019
- Submitted: April 22, 2019
- Operation: Air carrier
- Aircraft: [N568AS](https://openairdocs.org/aircraft/N568AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35183
- Aircraft time: 46,566 hours, 14,069 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Warning Message
- Condition: False Activation
- Location: Nr 1 Hf System
- 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/ASAA2019042299076

## Discrepancy

HF1 SHOWING FAIL/FAIL ON RADIO TUNING PANEL. GROUNDED - YES. OPENED AND RESET HF1 C/B. RTP RETURNED TO NORMAL DISPLAY. PERFORMED HF 1 COMM OPS TEST REF B737-800 AMM 23-11-00-710-801. OPS NML. NO FAULTS.

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