# SDR ASAA2014081808879

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 18, 2014
- Submitted: August 21, 2014
- Operation: Air carrier
- Aircraft: [N581AS](https://openairdocs.org/aircraft/N581AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35188
- Aircraft time: 27,847 hours, 8,536 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Control Panel
- Part number: 4082260939ASA
- Part serial: 00122346
- Condition: Failed
- Location: Autopilot
- Part time: 45,230 hours, 20,663 cycles
- 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/ASAA2014081808879

## Discrepancy

AUTOPILOT B DISENGAGED TWICE DURING LEVEL FLIGHT AT FL380, .80M.  NO TURBULENCE.  ACFT GROUNDED, DFCS LOGGED MESSAGE 22-111607 MCP DATA INV.  R & R MCP IAW MM 22-11-34. OPS CHECK NORMAL.

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