# SDR ASAA2021082735808

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 27, 2021
- Submitted: August 31, 2021
- Operation: Air carrier
- Aircraft: [N508AS](https://openairdocs.org/aircraft/N508AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35691
- Aircraft time: 47,690 hours, 14,073 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Control Panel
- Condition: Stuck
- Location: Main
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2021082735808

## Discrepancy

NOT ABLE TO SET MCP ALTITUDE. ( TRIED A REET BUT STILL NOT WORKING) STUCK AT 37900FT. GROUNDED - YES. PERFORMED A/C POWER DOWN FOR TROUBLESHOOTING REF B737-800 MM 0-60-99. MCP ATTITUDE WAS ABLE TO RESET, AND NO LONGER STUCK @ 37900 FT. PERFORMED DFCS BITE REF FIM 22-11 TASK 801. TEST PASSED. GROUND VERIFICATION SUCCESSFUL. SEAMC LASTER NOTIFIED.

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