# SDR ASAA2020101433361

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 14, 2020
- Submitted: October 19, 2020
- Operation: Air carrier
- Aircraft: [N535AS](https://openairdocs.org/aircraft/N535AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35200
- Aircraft time: 36,050 hours, 10,402 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Control Panel
- Condition: Faulted
- Location: Autopilot
- Stage of operation: CR
- 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/ASAA2020101433361

## Discrepancy

AUTOPILOT "A" TRIPPED OFF AT CRUISE TWICE ENROUTE.  REASON IS UNKNOWN. GROUNDED-YES.  ACCOMPLISHED B737-800 FIM 22-11 TASK 801 DFCS BITE.  FAULTED MCP DATA INV FAULT CODE 22-11607.  ACCOMPLISHED FIM 22-11 TASK 817 MODE CONTROL PROBLEM AND FIM 22-11 TASK 803 MODE CONTROL PANEL TESTS AND DFCS BITE GROUP NR 49 LAND VERIFY TEST, PER B737-800 AMM 22-11-00-700-801.  ALL TESTS PASSED.

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