# SDR UALA2012022201080

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 21, 2012
- Submitted: February 23, 2012
- Operation: Air carrier
- Aircraft: [N798UA](https://openairdocs.org/aircraft/N798UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26928
- Aircraft time: 62,085 hours, 8,973 cycles
- Engine: Pwa PW4090
- System (JASC): [2211 · Autopilot Computer](https://openairdocs.org/jasc/2211)
- Part: Computer
- Part number: 8220006103
- Part serial: 68
- Condition: Faulty
- Location: Autopilot
- Stage of operation: IN
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2012022201080

## Discrepancy

AFTER ENGINE RUN CHECK OF EICAS, MESSAGES SHOW AUTOPILOT FLIGHT DIRECTOR CENTER COMPUTER FAULT.  REPLACED AFDC COMPUTER AS PER MM.

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