# SDR ASAA2022110740664

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 7, 2022
- Submitted: November 9, 2022
- Operation: Air carrier
- Aircraft: [N920AK](https://openairdocs.org/aircraft/N920AK), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 44086
- Aircraft time: 4,015 hours, 1,206 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Hf Comm
- Condition: Inoperative
- Location: Nr 2
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022110740664

## Discrepancy

HF2 WILL NOT TRANSMIT ON 5547, RECEIVE OK. GROUNDED - YES. C/W TASK B737-9 AMM 23-11-00-730-801, HF COMMUNICATION SYSTEM - SYSTEM TEST, COMM BETWEEN ANOTHER A/C ALL TESTS COMMS NORMAL WITH SAID FREQ. 5547. TRANSMIT AND RECEIVED NORMAL. NO FAULTS FOUND.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.