# SDR 2000UALA00538

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 9, 2000
- Submitted: October 4, 2000
- Operation: Air carrier
- Aircraft: N576UA
- Make and model: Boeing 757222
- Aircraft serial: 26690
- Aircraft time: 26,374 hours, 9,048 cycles
- Engine: Pwa PW2037
- System (JASC): [3441 · Inertial Guidance System](https://openairdocs.org/jasc/3441)
- Part: Cdu
- Part number: 4058650931
- Part serial: 93032033
- Condition: Failed
- Location: Cockpit
- Stage of operation: NR
- 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/2000UALA00538

## Discrepancy

FIRST OFFICER CONTROL DISPLAY UNIT CDU FAILED PRIOR TO CLASS II AIRSPACE.  *S/D*  REPLACED FIRST OFFICERS CDU PER AMM, CHECKS OK.

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