# SDR ASAA2021072635533

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 26, 2021
- Submitted: July 28, 2021
- Operation: Air carrier
- Aircraft: [N569AS](https://openairdocs.org/aircraft/N569AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35184
- Aircraft time: 52,441 hours, 15,793 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Circuit Breaker
- Condition: Faulted
- Location: Nr 1 Hf Comms
- 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/ASAA2021072635533

## Discrepancy

FAIL INDICATION ON HF 1 COM PANEL. GROUNDED - YES. RESET HF1 C/B P18-2 E11. FAIL MESSAGE RESET & REMAINS CLEARED. REF B737-800 FIM 23-12 TASK 815 NO OTHER FAULTS NOTED. GRD VERIFICATION GOOD PER FIM 23-11 TASK 801. OK FOR SERVICE.

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