# SDR 2007UALA04478

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 27, 2007
- Submitted: November 1, 2007
- Operation: Air carrier
- Aircraft: [N787UA](https://openairdocs.org/aircraft/N787UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26939
- Aircraft time: 45,883 hours, 7,108 cycles
- Engine: Pwa PW4090
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Condition: Malfunctioned
- Location: Cockpit
- Stage of operation: IN
- How discovered: O
- Nature of condition: W
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2007UALA04478

## Discrepancy

CAPTAIN'S FMC POINTING 15 DEGREES RIGHT, F/O' S POINTS STRAIGHT AHEAD.  LEFT CALCULATED BEARING HEADING 15 DEGREES DIFFERENCE FROM RIGHT.  EXTENSIVE TROUBLE SHOOTING PERFORMED ON AIMS. UNABLE TO DUPLICATE FAULT.  FMC TESTS NORMALLY AFTER RESET.  A/C OK FOR SERVICE.

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