# SDR ASAA2016062017098

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 20, 2016
- Submitted: June 22, 2016
- Operation: Air carrier
- Aircraft: [N586AS](https://openairdocs.org/aircraft/N586AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35189
- Aircraft time: 33,477 hours, 10,254 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Control Panel
- Part number: 8221567102
- Part serial: 17CN80
- Condition: Failed
- Location: Cocpkit
- Part time: 27,971 hours, 8,292 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2016062017098

## Discrepancy

CLICKING NOSE HEARD FROM AROUND MCP SEEMED TO ONLY MAKE NOSE WHILE IN CLOUDS WE WERE AT FL360, -45 DEGREES CELSIUS.  ACFT GROUNDED. REPLACED MCP PANEL IAW AMM 22-11-34-401, RAN LAND VERIFY TEST IAW AMM 21-11-00-201 AND HGS IAW AMM 34-36-00.  ACFT REMAINS HGS AND AUTOLAND CAT III.

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