# SDR ASAA12511453

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 22, 2012
- Submitted: April 30, 2012
- Operation: Air carrier
- Aircraft: [N577AS](https://openairdocs.org/aircraft/N577AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35186
- Aircraft time: 19,270 hours, 5,870 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Control Panel
- Part number: 8221567102
- Part serial: 14JJM
- Condition: Inoperative
- Location: Cockpit
- Part time: 31,784 hours, 11,609 cycles
- Stage of operation: TX
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA12511453

## Discrepancy

F/O COURSE WINDOW INOPERATIVE, ACFT GROUNDED. CYCLED MCP NR 1 DC CIRUCIT BREAKER, DISPLAY CAME UP NORMALLY FOR A FEW SECONDS AND WENT BACK OUT AGAIN. REPLACED MCP REF MM 22-11-34,  OPS CHECKED NORMAL.  ACCOMPLISHED ALL MCP LWMP CHECKS PER CHECKLIST MM 22-0-01 NO FAULTS.

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