# SDR ASAA2021110336514

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 3, 2021
- Submitted: November 4, 2021
- Operation: Air carrier
- Aircraft: [N560AS](https://openairdocs.org/aircraft/N560AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35179
- Aircraft time: 55,783 hours, 16,729 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Control Panel
- Part number: 8221567102
- Part serial: 41FH94
- Condition: Inoperative
- Location: Flight Compartme
- Part time: 25,931 hours, 8,343 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/ASAA2021110336514

## Discrepancy

MCP CONTROL PANEL LIGHTS VERY DIM. GROUNDED - YES. VERIFIED DEFECT ALL MODE SELECT ON MCP ARE STUCK IN DIM POSITION RLS OPS NML. REMOVED AND REPLACED MCP REF B737-800 AMM 22-11-34, LRU REPLACEMENT TEST PASSED. REF L/P 60199146 FOR DOWNGRADE.

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