# SDR FDEA201504051154

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 5, 2015
- Submitted: April 6, 2015
- Operation: Air carrier
- Aircraft: [N597FE](https://openairdocs.org/aircraft/N597FE), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48596
- Aircraft time: 734 hours, 13,833 cycles
- System (JASC): [2211 · Autopilot Computer](https://openairdocs.org/jasc/2211)
- Part: Computer
- Part number: 4059001908
- Part serial: 95120704
- Condition: Failed
- Location: Autopilot Sys
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA201504051154

## Discrepancy

FCC  NR 1B DATA FAULT ALERT, NR 1 AUTOPILOT UNAVAILABLE.  ACCOMPLISHED QRH AT ARRIVAL DEBRIEFED WITH CREW & FOUND FCC NR 1B  STILL IN FAULT, WAS UNABLE TO ACCESS THE NR 1 FCC VIA CFDS.  RESET BOTH CB'S OF FCC NR 1 & WAS ABLE TO ACCESS FCC NR 1.  CHECKED FCC NR 1 VIA CFDS & FOUND LEG NR 1, 6 FAULTS LOGGED AT ALT 27984 FCC NR 1 AT ALT  27984.  R & R FCC NR 1 IAW AMM  22-01-03-4.  PERFORMED AUTO FLIGHT ADJUSTMENT TEST IAW AMM 22-00-00-5 ON FCC NR 1.  ALL TESTS PASSED & AFTER ALL TESTS, CHECKED FCC NR 1 VIA CFDS & FOUND NO FAULT LOGGED.

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