# SDR ASAA2018010123067

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 1, 2018
- Submitted: January 3, 2018
- Operation: Air carrier
- Aircraft: [N535AS](https://openairdocs.org/aircraft/N535AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35200
- Aircraft time: 27,282 hours, 7,948 cycles
- System (JASC): [2300 · Communications System](https://openairdocs.org/jasc/2300)
- Part: Satcom
- Condition: Locked
- Stage of operation: TX
- 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/ASAA2018010123067

## Discrepancy

SATCOM LOCKED UP PRIOR TO E&P.  ACFT  GROUNDED.  RAN QRH,  SATCOM BACK ONLINE.

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