# SDR SWAA2014081230780

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 9, 2014
- Submitted: August 12, 2014
- Operation: Air carrier
- Aircraft: [N623SW](https://openairdocs.org/aircraft/N623SW), registered now
- Make and model: Boeing 737-3H4
- Registry model: [Boeing 737-3H4](https://openairdocs.org/model/boeing-737-3h4) (OpenAirDocs)
- Aircraft serial: 27933
- Aircraft time: 59,184 hours, 47,191 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Control Panel
- Part number: 4051601938
- Part serial: 93042123
- Condition: Faulty
- Location: Cockpit
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2014081230780

## Discrepancy

DIVERSION MCP LOCKED UP IN CRUISE.  PERFORMED QRH PROCEDURE RESET & MCP UNLOCKED ON THIRD TRY.  LOCKED UP ONCE MORE DURING FLIGHT, UNLOCKED ON FIRST TRY.  R & R MODE CONTROL PANEL IAW MM.

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