# SDR ASAA2017092422031

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 24, 2017
- Submitted: September 26, 2017
- Operation: Air carrier
- Aircraft: [N461AS](https://openairdocs.org/aircraft/N461AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36363
- Aircraft time: 14,119 hours, 4,627 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Display
- Condition: Malfunctioned
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2017092422031

## Discrepancy

DFCS MODE CONTROL PANEL DIGITS BLANK.  ACFT GROUNDED.  CYCLED BOTH MCP DC CIRCUIT BREAKERS, DISPLAY RESTORED, ACCOMPLISHED MCP TEST IAW AMM 22-11-34, SYSTEM OPS CHECKED NORMAL.

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