# SDR ASAA2017041820480

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 18, 2017
- Submitted: April 20, 2017
- Operation: Air carrier
- Aircraft: [N513AS](https://openairdocs.org/aircraft/N513AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35192
- Aircraft time: 32,798 hours, 9,829 cycles
- System (JASC): [2300 · Communications System](https://openairdocs.org/jasc/2300)
- Part: Control Panel
- Part number: G716401
- Part serial: 306
- Condition: Failed
- Location: Satcom
- Part time: 15,463 hours, 4,425 cycles
- 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/ASAA2017041820480

## Discrepancy

ATTEMPTED TEST CALL ON SAT 1 & SAT 2. WE COULD HEAR DISPATCH BUT THEY COULD NOT HEAR US.  ACFT GROUNDED. REMOVED AND INSTALLED A NEW SATCOM TRANSFER PANEL IAW AMM 23-15-00. PERFORMED SYSTEM TEST IAW AMM 23-15-00-730-801, SYSTEM CHECKED NORMAL.  PERFORMED HF OPS TEST IAW AMM 23-11-00, SYSTEM CHECKED NORMAL.

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