# SDR ASAA2019050729262

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 7, 2019
- Submitted: May 13, 2019
- Operation: Air carrier
- Aircraft: [N562AS](https://openairdocs.org/aircraft/N562AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35091
- Aircraft time: 48,250 hours, 14,348 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Unknown
- Condition: Malfunctioned
- Location: Hf Comm
- 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/ASAA2019050729262

## Discrepancy

HF1 XMIT ACTS INOP, (OR VERY LOW RNG). HF2 XMIT WORKS GOOD AND BOTH RECEIVE GOOD. GROUNDED - YES. CHECKED & RELEASED PER MEL 23-11A, NR 1 HF INOP. PERFORMED MULTIPLE OPS TESTS OF HF NR 1 XMIT AND RECEIVE WITH SFO AND OTHER AIRCRAFT PER AMM 23-11-00-730-801. OPS TESTS GOOD. THIS CLEARS MEL 23-11A.

---
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.