# SDR ASAA2016051316709

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 13, 2016
- Submitted: May 16, 2016
- Operation: Air carrier
- Aircraft: [N566AS](https://openairdocs.org/aircraft/N566AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35182
- Aircraft time: 36,020 hours, 10,809 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Control Panel
- Part number: 8221567102
- Part serial: 16XYMM
- Condition: Failed
- Location: Cockpit
- Part time: 31,433 hours, 9,544 cycles
- 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/ASAA2016051316709

## Discrepancy

ALTITUDE ALERT KNOB WILL NOT SET ON MCP PANEL.  ACFT GROUNDED. REPLACED MCP IAW AMM 22-11-34.  GROUND VERIFICATION TEST PASSED.

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