# SDR ASAA2019102163063

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 16, 2019
- Submitted: October 22, 2019
- Operation: Air carrier
- Aircraft: [N413AS](https://openairdocs.org/aircraft/N413AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 35205
- Aircraft time: 26,136 hours, 8,431 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Hf Comm
- Condition: Malfunctioned
- Location: Nr 1
- 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/ASAA2019102163063

## Discrepancy

HF-1 RADIO NO TRANSMIT WOULD RECEIVE. GROUNDED - YES. ACCOMPLISHED PWR DWN OF AIRCRAFT. REF B737-900 AMM 20-60-99. ACCOMPL #1 HF BITE. REF FIM 23-11-TASK 801. NO DEFECTS NOTED. ACCOMP #1 HF OPS CHK REF AMM 23-11-00.

---
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.