# SDR ASAA2023021541965

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 15, 2023
- Submitted: February 17, 2023
- Operation: Air carrier
- Aircraft: [N592AS](https://openairdocs.org/aircraft/N592AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35190
- Aircraft time: 54,190 hours, 16,083 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: NR
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023021541965

## Discrepancy

SAT PHONE INOP. ABLE TO CALL / TRANSMIT OUT, COULD HEAR DISPATCH BUT DISPATCH COULD NOT HEAR OUR TRANSMISSIONS- SAME RESULTS WITH SAT-1 AND SAT-2 SELECTION. PERFORMED SATPHONE LOCK-UP QRH CHECKLIST AFTER SATPHONE COMMS DISAPPEARED ALL TOGETHER. GROUNDED - YES. PERFORMED SATCOM COMMS SYSTEM TEST, ABLE TO TALK TO DISPATCH, REF B737-800 AMM 23-15-00-730-801 OPS CHECK GOOD.

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