# SDR ASAA2015042111451

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 21, 2015
- Submitted: April 23, 2015
- Operation: Air carrier
- Aircraft: [N581AS](https://openairdocs.org/aircraft/N581AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35188
- Aircraft time: 30,646 hours, 9,347 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/ASAA2015042111451

## Discrepancy

SATCOM LOCK UP.  ACFT GROUNDED.  FOLLOWED QRH PROCEDURE 5.3 AND SATCOM WAS RESTORED.  SATCOM PROMT CKS NORMAL 23-15, TASK 801.

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