# SDR UALA2012111906652

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 17, 2012
- Submitted: December 17, 2012
- Operation: Air carrier
- Aircraft: [N773UA](https://openairdocs.org/aircraft/N773UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26929
- Aircraft time: 70,421 hours, 13,399 cycles
- Engine: Pwa PW4077
- System (JASC): [3160 · Central Display](https://openairdocs.org/jasc/3160)
- Part: Display
- Part number: 4091900931
- Part serial: 352
- Condition: Inoperative
- Location: Cockpit
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2012111906652

## Discrepancy

LOWER CENTER DU INOP.  MEL 3161F REFERS & COMPLIED WITH.  PART MR31612 REQUIRED.  REPLACED CL DISPLAY, TESTS OKAY.

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