# SDR J7SA2026072800500

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 23, 2026
- Submitted: July 29, 2026
- Operation: Air carrier
- Aircraft: [N385FX](https://openairdocs.org/aircraft/N385FX), registered now
- Make and model: Emb EMB-505
- Registry model: [EMB EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (OpenAirDocs)
- Aircraft serial: 50500630
- Aircraft time: 5,176 hours, 3,692 cycles
- System (JASC): [3440 · Independent Position Determining System](https://openairdocs.org/jasc/3440)
- Part: Radio
- Part number: 0110317710
- Condition: Faulted
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/J7SA2026072800500

## Discrepancy

CREW RECEIVED INTERMITTENT HSDB FAULTS IN FLIGHT. THIS AIRCRAFT IS ONE OF 17 EMBRAER PHENOM 300 AIRCRAFT IN THE FLEXJET FLEET THAT IS EQUIPPED WITH P/N 011-03177-10 XM RADIO AND AVIONICS SOFTWARE LOAD 18.10. IN THIS CONFIGURATION, THE RECEIVER CAN GO INTO RESET MODE WHEN IT RECEIVES CERTAIN PACKETS OF DATA FROM SIRIUS XM. DURING A XM RADIO RESET, IT DRAWS DOWN THE HSDB, RESULTING IN SOME OR ALL OF FOLLOWING CAS MESSAGES: HSDB FAULT, ENGINE NO DISPATCH, E2 TT0 HTR FAIL, GND SPLR FAIL. FURTHER, IT CAN DRIVE THE FOLLOWING GTC MESSAGES: GDL69 FAIL AND FAILED DATA PATH. LASTLY, THE FOLLOWING MFD ENGINE INDICATIONS MAY BE PRESENT: YELLOW X OVER E1 AND E2 OIL PRESSURE, YELLOW X OVER N1 AND N2 ENGINE, YELLOW X OVER LH AND RH ITT, YELLOW X OVER LFE VALUE. EMBRAER IS INVESTIGATING (CASE # EEJ-05526497). XM RADIO DISABLED AND PLACED ON MEL.

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