# SDR ASAA2018101226478

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 12, 2018
- Submitted: October 16, 2018
- Operation: Air carrier
- Aircraft: [N531AS](https://openairdocs.org/aircraft/N531AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35199
- Aircraft time: 32,764 hours, 9,708 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Satcom
- Condition: Malfunctioned
- Location: Cocpit
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2018101226478

## Discrepancy

UNABLE TO TRANSMIT ON EITHER SATCOM. TRIED FROM BOTH RADIO SELECTOR PANELS. CONNECTED AND RCVD FINE. GROUNDED - YES. ON DEFERRAL. UNABLE TO DUPLICATE DEFECT. PERFORMED SATCOM ADJUSTMENT/TEST PER AMM 23-15-00-730-801 - ALL TESTS PASS FOR SAT-1 AND SAT-2. CLEARS MEL 23-18.

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