# SDR FDEA201112035133

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 3, 2011
- Submitted: December 6, 2011
- Operation: Air carrier
- Aircraft: [N861FD](https://openairdocs.org/aircraft/N861FD), registered now
- Make and model: Boeing 777-FS2
- Registry model: [Boeing 777-FS2](https://openairdocs.org/model/boeing-777-fs2) (OpenAirDocs)
- Aircraft serial: 37732
- Aircraft time: 208 hours, 31 cycles
- System (JASC): [3160 · Central Display](https://openairdocs.org/jasc/3160)
- Part: Display
- Condition: Failed
- Location: Cockpit
- Stage of operation: CR
- How discovered: O
- Nature of condition: G
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA201112035133

## Discrepancy

20 MINUTES INTO FLIGHT, CAPTAIN`S NAVAGATION DISPLAY BLANKED OUT AFTER ABOUT 5 MINUTES,  THE LOWER CENTER DISPLAY BLANKED ALSO A FEW MINUTES LATER BOTH DISPLAYS RETURNED SIMULTANEOUSLY FOR A COUPLE OF MINUTES THEN BOTH BLANKED AGAIN NEVER TO RETURN.  AIR TURNBACK.  NO EICAS ASSOCIATED WITH MALFUNCTION.  INTERROGATED THRU MAT FOUND ACTIVE MX MESSAGE 31-80221,31-80222,31-80223.   R & R CAPTAIN`S NAVAGATION DISPLAY UNIT IAW AMM31-61-01-4 AND TESTED SATISFACTORY.  ALSO FOUND NO ACTIVE MESSAGES.  ACFT OK FOR SERVICE.  TESTED  SATISFACTORY AND MAT SHOW NOT ACTIVE FOR THE MX MESSAGES, FAULT HAS BEEN CORRECTED. OK FOR SERVICE.

---
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.