# SDR ASAA2022022737580

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 27, 2022
- Submitted: March 1, 2022
- Operation: Air carrier
- Aircraft: [N538AS](https://openairdocs.org/aircraft/N538AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 41188
- Aircraft time: 36,206 hours, 10,552 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: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022022737580

## Discrepancy

HF RADIO #1 RECEIVES BUT WILL NOT TRANSMIT,TRIED MULTIPLE FREQUENCIES. HF RADIO #2 OPS NORMAL. GROUNDED - YES. PERFORMED B737-800 FIM 23-11 TASK 806 & PERFORMED HF BITE REFERENCED FIM 23-11 TASK 801. NO FAULTS NOTED. VERIFIED HF #1 TRANSMITS NORMALLY.

---
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.