# SDR ASAA2023090845033

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 8, 2023
- Submitted: September 11, 2023
- Operation: Air carrier
- Aircraft: [N565AS](https://openairdocs.org/aircraft/N565AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35181
- Aircraft time: 61,191 hours, 18,304 cycles
- System (JASC): [2300 · Communications System](https://openairdocs.org/jasc/2300)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: NR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023090845033

## Discrepancy

NO 'SAT' ON FMC. GROUNDED - YES. SAT LOCK UP OCCURED WITHOUT RESET PERFORMED. ACARS LINK TEST- CHKS GOOD SAT LOCK UP NORMAL. REF: FIM TASK 23-15 TASK 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.