# SDR ASAA2016050816656

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 8, 2016
- Submitted: May 10, 2016
- Operation: Air carrier
- Aircraft: [N442AS](https://openairdocs.org/aircraft/N442AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 43293
- Aircraft time: 9,753 hours, 3,183 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Warning Flag
- Condition: False Activation
- Stage of operation: TX
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2016050816656

## Discrepancy

DURING PREFLIGHT AMBER "FD" ANNUNCIATION ON FO DISPLAY.  ACFT GROUNDED. "FD" FLAG APPEARED AFTER GROUND POWER DROPPED OFFLINE.  CYCLED POWER & "FD" FLAG EXTINGUISHED.  PERFORMED CURRENT STATUS TEST FOR "B" A/P & AUTO TEST PASSED.  FLIGHT DIRECTOR LIBRARY TEST PASSED REF FIM 22-11, TASK 801.

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