# SDR IPXA2026031284337

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 2, 2026
- Submitted: March 12, 2026
- Operation: Air carrier
- Aircraft: [N384UP](https://openairdocs.org/aircraft/N384UP), registered now
- Make and model: Boeing 767-300
- Registry model: [Boeing 767-300](https://openairdocs.org/model/boeing-767-300) (OpenAirDocs)
- Aircraft serial: 67973
- Aircraft time: 3,927 hours, 1,724 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Transmitter
- Condition: Inoperative
- Location: Zone 100
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2026031284337

## Discrepancy

AIR TURN BACK, UNABLE TO RECEIVE HF RADIO TRANSMISSIONS ON EVERY HF FREQ WE COULD FIND. CONTACTED DISPATCH, ATB REQUIRED. PRIOR TO DEPT HF CHECK WITH OTHER AIRPLANE SUCCESSFUL ON BOTH HF RADIOS. HF RIGHT. T/S RIGHT HF SYSTEM FOUND SQUELCH ON PREVENTING RECEIVE AUDIO, OPENED SQUELCH AND RECEIVE AUDIO CAME BACK, VERIFIED SIDETONE/MONITOR FUNCTION IS PRESENT, ALSO VERIFIED TUNING FUNCTION, ALL CHECKS GOOD, MADE CONTACT FROM STATION IN RHODE ISLAND USING SINGLE SIDE BAND(USB) AND GOT A 5/5 SIGNAL REPORT, ALSO RECEIVED THEM AT A 5/5 SIGNAL, RIGHT HF SYSTEM TEST OK REF B767 AMM 23-11-03, THIS CLEARS MEL, PLACARD REMOVED.

---
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.