# SDR DL764060412

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 20, 2006
- Submitted: May 23, 2006
- Operation: Air carrier
- Aircraft: [N839MH](https://openairdocs.org/aircraft/N839MH), registered now
- Make and model: Boeing 767432ER
- Aircraft serial: 29712
- Aircraft time: 17,629 hours, 6,100 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Coupler
- Part number: 8220987004
- Part serial: DL2768
- Condition: Failed
- Location: Rt Hf Comm
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DL764060412

## Discrepancy

UNABLE TO GET RIGHT HFTO CHANNELIZE OR COMMUNICATE ON ANY FREQ.  REPLACED NR 2 HF RADIO COUPLER TRANSMIT AND RECEIVE NORMAL ON  8843.

---
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.