# SDR UALA2013052103516

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 21, 2013
- Submitted: June 6, 2013
- Operation: Air carrier
- Aircraft: [N219UA](https://openairdocs.org/aircraft/N219UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30551
- Aircraft time: 52,439 hours, 6,352 cycles
- Engine: Pwa PW4090
- System (JASC): [3160 · Central Display](https://openairdocs.org/jasc/3160)
- Part: Display
- Part number: 4091900941
- Part serial: 137
- Condition: Inoperative
- Location: Cockpit
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2013052103516

## Discrepancy

CONTROL OF THE DISPLAY SELECTOR PANEL HAS BEEN TAKEN OVER BY MANUAL SELECTION OF THE CDU BACKUP DSP FUNCTION.   CAPTAIN`S ND DISPLAY INOPERATIVE.  REPLACED CAPTAIN INBD DISPLAY UNIT IAW AMM, OPS CHECKED GOOD.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.