# SDR UALA2012031901771

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 19, 2012
- Submitted: March 22, 2012
- Operation: Air carrier
- Aircraft: N578UA
- Make and model: Boeing 757222
- Aircraft serial: 26694
- Aircraft time: 63,153 hours, 22,236 cycles
- Engine: Pwa PW2037
- System (JASC): [3400 · Navigation System](https://openairdocs.org/jasc/3400)
- Part: Unknown
- Condition: Malfunctioned
- Location: Cockpit
- Stage of operation: CR
- 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/UALA2012031901771

## Discrepancy

IAS DISAGREE, ALT DISAGREE, MACH SPD TRIM, RUDDER RATIO AND ELEV ASSY EICAS MSG DISPLAYED.  FLIGHT DIVERTED.

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