# SDR ASAA2016102018434

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 20, 2016
- Submitted: October 24, 2016
- Operation: Air carrier
- Aircraft: [N477AS](https://openairdocs.org/aircraft/N477AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 40716
- Aircraft time: 5,582 hours, 1,795 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Warning Flag
- Condition: False Activation
- Location: Flight Display
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2016102018434

## Discrepancy

CAPTAIN`S FLIGHT DISPLAY FLAG SHOWED AT POWER TRANSFER.  ACFT GROUNDED. VERIFIED, DFCS SHOWS CHA UNAVAILABLE, CYCLED FCC DC C/B P18-1 PANEL. FCC A CH RESTORED, F/D FLAG DISAPPEARED. ACCOMPLISHED LRU REPLACEMENT TEST FOR FCC A IAW AMM 22-11-33 TEST PASSED.

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