# SDR ASAA2018012623304

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 26, 2018
- Submitted: January 29, 2018
- Operation: Air carrier
- Aircraft: [N585AS](https://openairdocs.org/aircraft/N585AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35683
- Aircraft time: 39,797 hours, 11,911 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/ASAA2018012623304

## Discrepancy

SATCOM INOPERATIVE DURING A MEDLINK EVENT.  NO NUMBER WAS DISPLAYED AT BOTTOM OF SCREEN AND THERE WAS A CONTINUED BUSY TONE HEARD.  ACFT GROUNDED.  VERIFIED NO NUMBER & BUSY TONE, AFTER CYCLING THE SATCOM CIRCUIT BREAKER, THE SYSTEM RESTORED TO NORMAL. ACCOMPLISHED A VOICE TEST OUTGOING & INCOMING CALL WITH DISPATCH IAW AMM 23-15-00. MEL 23-18.

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