# SDR ASAA2017072221437

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 22, 2017
- Submitted: July 24, 2017
- Operation: Air carrier
- Aircraft: [N538AS](https://openairdocs.org/aircraft/N538AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 41188
- Aircraft time: 20,530 hours, 5,988 cycles
- System (JASC): [2300 · Communications System](https://openairdocs.org/jasc/2300)
- Part: Satcom
- Condition: Locked
- 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/ASAA2017072221437

## Discrepancy

SATCOM LOCK UP,  FOLLOWED QRH. NORMAL OPS.  ACFT GROUNDED.  OPEN & CLOSED THE CIRCUIT BREAKER FOR SATCOM AND VERIFIED SAT PROMPT ON CDU IAW FIM 23-15 TASK 801.

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