# SDR SWAA2015052539958

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 22, 2015
- Submitted: May 25, 2015
- Operation: Air carrier
- Aircraft: N559WN
- Make and model: Boeing 737-73V
- Registry model: [Boeing 737-73V](https://openairdocs.org/model/boeing-737-73v) (OpenAirDocs)
- Aircraft serial: 30249
- Aircraft time: 32,241 hours, 24,393 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Control Panel
- Part number: 8221567102
- Part serial: 16C5OR
- Condition: Malfunctioned
- Location: Cockpit
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2015052539958

## Discrepancy

AIR TURN BACK, MODE CONTROL PANEL ALTITUDE LOCKED SHOWING 50000' FEET.  R & R MODE CONTROL PANEL IAW MM.

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