# SDR ASAA2023030742227

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 7, 2023
- Submitted: March 8, 2023
- Operation: Air carrier
- Aircraft: [N434AS](https://openairdocs.org/aircraft/N434AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 61620
- Aircraft time: 25,637 hours, 7,973 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Panel
- Part number: 8221567102
- Part serial: 1RGFP
- Condition: None
- Location: Flight Deck
- Part time: 62,014 hours, 19,814 cycles
- Stage of operation: NR
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023030742227

## Discrepancy

MODE CONTROL PANEL HEADING WINDOW HAS DISTORTION NEAR CENTER OF DISPLAY. GROUNDED - YES. REMOVED AND REPLACED MCP. REF B737-900 AMM 22-11-34

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