# SDR ASAA2019031228588

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 12, 2019
- Submitted: March 13, 2019
- Operation: Air carrier
- Aircraft: [N403AS](https://openairdocs.org/aircraft/N403AS), registered now
- Make and model: Boeing 737-900ER
- Registry model: [Boeing 737-900ER](https://openairdocs.org/model/boeing-737-900er) (OpenAirDocs)
- Aircraft serial: 41730
- Aircraft time: 25,300 hours, 8,317 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Satcom
- Condition: Locked
- Location: Cockpit
- 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/ASAA2019031228588

## Discrepancy

SATCOM LOCK-UP ON POWER TRANSFER PERFORMED QRH PROCEDURES SAT RETURNED ON CDU. GROUNDED - YES. PERFORMED FIM 23-15 TASK 801 SAT PROMPT RETURNED TO NORMAL ON CDU AFTER C/B CYCLE, NO DEFECTS NOTED.

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