# SDR ASAA2022112040878

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 20, 2022
- Submitted: November 23, 2022
- Operation: Air carrier
- Aircraft: [N919AK](https://openairdocs.org/aircraft/N919AK), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 44087
- Aircraft time: 5,701 hours, 1,772 cycles
- System (JASC): [2300 · Communications System](https://openairdocs.org/jasc/2300)
- Part: Satcom
- Condition: Unknown
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022112040878

## Discrepancy

BOTH SATCOM RECEIVERS HAD A VERY LOW VOLUME, WHICH MADE COMMUNICATION RECEPTION IMPOSSIBLE, FMC MENU OPS CHECK OK. GROUNDED - YES. PERFORMED SAT #1 & SAT #2 VOICE COMMUNICATION TEST WITH ALASKA DISPATCH NORMAL B737-9 AMM 23-15-00-710-801.

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