# SDR ASAA2019051129289

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 11, 2019
- Submitted: May 13, 2019
- Operation: Air carrier
- Aircraft: [N513AS](https://openairdocs.org/aircraft/N513AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35192
- Aircraft time: 40,613 hours, 12,103 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Control Panel
- Part number: 4082260939
- Part serial: 97041083
- Condition: Defective
- Location: Cockpit
- Part time: 61,822 hours, 32,721 cycles
- Stage of operation: NR
- 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/ASAA2019051129289

## Discrepancy

DIGITS ARE DIFFICULT TO READ ON CAPTAINS COURSE DISPLAY ON THE MODE CONTROL PANEL. GROUNDED - YES. REMOVED AND REPLACED MCP PER AMM 22-11-34. PERFORMED INSTALLATION TEST OF MCP PER AMM 22-11-34-740-801. PERFORMED LRU REPLACEMENT TEST FOR MCP BITE TEST GROUP #32 PER AMM 22-11-34-740-801. PERFORMED LAND VERIFY TEST BITE TEST GROUP #49 PER AMM 22-11-00-700-801. ALL REQUIRED TESTS PASSED.

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