# SDR 2002UALA00801

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 1, 2002
- Submitted: June 19, 2002
- Operation: Air carrier
- Aircraft: [N774UA](https://openairdocs.org/aircraft/N774UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26936
- Aircraft time: 25,865 hours, 5,825 cycles
- Engine: Pwa PW4077
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Cdu
- Part number: 4072800901
- Part serial: MR346119
- Condition: Failed
- Location: Cockpit
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2002UALA00801

## Discrepancy

CAPT CDU WENT INOP AFTER TAKEOFF.  CREW WAS UNABLE TO RESTORE THE SYSTEM.  DUAL CDU REQUIRED PRIOR TO ENTERING CLASS 2 RNP-10 AIRSPACE.  AT JFK, THE CENTER CDU WAS SWAPPED WITH THE INOPED CAPTAIN'S ONE AND DEFFERED.  DEFECTIVE CDU WAS REPLACED AT LHR.

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