# SDR ASAA2019100320887

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 2, 2019
- Submitted: October 3, 2019
- Operation: Air carrier
- Aircraft: [N564AS](https://openairdocs.org/aircraft/N564AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35103
- Aircraft time: 49,392 hours, 14,899 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Panel
- Part number: G7404124
- Part serial: 30273
- Condition: Failed
- Location: Radio Tuning
- Part time: 6,686 hours, 2,001 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2019100320887

## Discrepancy

NR 1 HF RADIO UNABLE TO TRANSMIT. ATTEMPTED SEVERAL TIMES ON FREQ 5547 AND 6673. RECEIVE FUNCTION WORKS NORMALLY. GROUNDED - YES. ACCOMPLISHED HF COMMUNICATION SYSTEM BITE IAW FIM 23-11 TASK 801. OPS CHECKED GOOD WITH NO FAULTS. ACCOMPLISHED FIM 23-11 TASK 806. REMOVED & REPLACED CAPTAIN'S RADIO TUNING PANEL IAW AMM 23-12-41-400-801. OPS CHECKED GOOD.

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