# SDR ASAA2015070212309

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 2, 2015
- Submitted: July 7, 2015
- Operation: Air carrier
- Aircraft: [N534AS](https://openairdocs.org/aircraft/N534AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35202
- Aircraft time: 17,917 hours, 5,234 cycles
- System (JASC): [2300 · Communications System](https://openairdocs.org/jasc/2300)
- Part: Satcom
- Condition: Malfunctioned
- Stage of operation: CR
- 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/ASAA2015070212309

## Discrepancy

UNABLE SATCOM CONTACT WITH MEDLINK OR DISPATCH, ACARS CDU INDICATED GOOD CONNECTION & CALL.  NO SIDE TONE.  HF BUTTONS SET CORRECTLY GOOD LIGHT.  MIC SELECTOR SET ALSO.  ATTEMPTED ON BOTH 1 AND 2.  ACFT GROUNDED. UNABLE TO CONFIRM FAULT, BOTH SATCOM NR 1 AND NR 2 SYSTEMS GROUND FUNCTIONAL TESTS NORMAL REF AMM TASK 23-15-00-730-801.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.