# SDR ASAA2017020419664

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 4, 2017
- Submitted: February 6, 2017
- Operation: Air carrier
- Aircraft: [N593AS](https://openairdocs.org/aircraft/N593AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35107
- Aircraft time: 33,666 hours, 10,307 cycles
- System (JASC): [2300 · Communications System](https://openairdocs.org/jasc/2300)
- Part: Satcom
- Condition: Malfunctioned
- 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/ASAA2017020419664

## Discrepancy

SATCOM, UNABLE TO CALL OUT ON BOTH SAT 1 & SAT 2. TO ANY DISPATCH DESK. CALL OUT TO MEDLINK SUCCESSFUL. RECEIVE CALL FROM DISPATCH ALSO SUCCESSFUL.  ACFT GROUNDED. ACCOMPLISHED SATCOM TEST IAW AMM 23-15-00. GENERAL DIRECTORY DISPATCH A-F CALLS RECEIVE "THIS NUMBER NOT IN USE" VOICE MESSAGE. TEST CALL TO DISPATCH ON "G" WAS SUCCESFUL, WITH 2 WAY COMMUNICATION. ALL TESTS NORMAL, NO FAULTS. THIS CLEARS MEL 23-18.

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