# SDR ASAA2013111896454

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 18, 2013
- Submitted: November 21, 2013
- Operation: Air carrier
- Aircraft: [N559AS](https://openairdocs.org/aircraft/N559AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35178
- Aircraft time: 26,855 hours, 8,063 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Control Panel
- Condition: Faulted
- Location: Main
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2013111896454

## Discrepancy

AFTER SELECTING APU ON BUSSES, MCP ALTITUDE AND FD LOCKED UP.  ACFT GROUNDED.  DEU 1 AND 2 BITE SHOWS CURRENT STATUS FAULTS ON A/T,  FCC A AND FCC B. CYCLED POWER TO MCP, FCC A AND FCC B COMPUTERS.  OPS RESTORED TO MCP.  OPS CHECKED NORMAL 22-11, TASK 803.  HGS SENSOR TEST NORMAL REF AMM 34-36-00.

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