# SDR ASAA2022021637444

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 16, 2022
- Submitted: February 17, 2022
- Operation: Air carrier
- Aircraft: [N915AK](https://openairdocs.org/aircraft/N915AK), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 44080
- Aircraft time: 2,304 hours, 770 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: NR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022021637444

## Discrepancy

HF1 FAIL MESSAGE ON RADIO CONTROL PANEL. GROUNDED - YES. CYCLED HF 1 C/B P12-2 1 MIG 51A INST AND REMOVED REF B737-9 SSM 23-11-11-103.OPS CHECK GOOD AFTER C/B CYCLED REF B737-9 AMM 23-11-00 ETOPS SIGNIFICANT SYSTEM GROUND VERIFICATION SUCCESSFUL. NO FAIL MESSAGE ON CONTROL PANEL.

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