# SDR ASAA2022100240143

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 2, 2022
- Submitted: October 4, 2022
- Operation: Air carrier
- Aircraft: [N477AS](https://openairdocs.org/aircraft/N477AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 40716
- Aircraft time: 26,243 hours, 8,140 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Autopilot Sys
- Condition: Faulted
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022100240143

## Discrepancy

JUST AFTER BAART AUTOPILOT DISCONNECTED AT FL 340 AND SATCOM LOCKUP. GROUNDED - YES.  RE-ENGAGED AUTOPILOT, FOLLOWED ASA QRH FOR SATCOM LOCKUP.

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