# SDR ASAA201904296163

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 26, 2019
- Submitted: April 29, 2019
- Operation: Air carrier
- Aircraft: [N434AS](https://openairdocs.org/aircraft/N434AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 61620
- Aircraft time: 12,544 hours, 4,035 cycles
- System (JASC): [2300 · Communications System](https://openairdocs.org/jasc/2300)
- Part: Satcom
- Condition: Malfunctioned
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA201904296163

## Discrepancy

SAT MENU SELECTION MISSING ON GROUND FROM FMC CDU. GROUNDED - YES. ACCOMPLISHED B737 QRH SATCOM LOCK-UP CHECKLIST. SAT PROMPT NOW DISPLAYED ON CDU.

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