# SDR ASAA2019012027864

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 20, 2019
- Submitted: January 23, 2019
- Operation: Air carrier
- Aircraft: [N440AS](https://openairdocs.org/aircraft/N440AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41705
- Aircraft time: 20,936 hours, 6,905 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Satcom
- Condition: Locked
- Location: Cockpit
- Stage of operation: TX
- 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/ASAA2019012027864

## Discrepancy

ON POWER TRANSFER (EXTERNAL TO SHIP) SAT PROMPT MISSING FROM MCDU MENU.  GROUNDED - YES. PERFORMED SATCOM LOCK-UP PER QRH, OPS NORMAL.

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