# SDR ASAA2023110646038

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 6, 2023
- Submitted: November 9, 2023
- Operation: Air carrier
- Aircraft: [N472AS](https://openairdocs.org/aircraft/N472AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 60580
- Aircraft time: 32,305 hours, 9,929 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023110646038

## Discrepancy

SAT 1 + 2 UNABLE TO CONNECT TO DISPATCH + MEDLINK. DIAL TONE ONLY. FA DEVICE FOR MEDLINK UNABLE TO CONNECT. GROUNDED - YES. (RESOLVED ON W/O: 1976140 TASKCARD: N/R-00004 ) ACCOMPLISHED AMM TASK 23-15-00 SATCOM COMMUNICATION SYSTEM TEST. OPS TEST NORMAL. ACCOMPLISHED AMM TASK 23-52-00 MEDLINK COMMUNICATION ADJUSTMENT TEST. OPS CHECK NORMAL. WAS ABLE TO CONTACT DISPATCH THRU SAT1 AND SAT2. REMOVED PLACARD C/N 06031472. THIS CLEARS MEL 23-18A. SEAMC DARWIN NOTIFIED.

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