# SDR ASAA2014041807510

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 18, 2014
- Submitted: April 21, 2014
- Operation: Air carrier
- Aircraft: [N413AS](https://openairdocs.org/aircraft/N413AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 35205
- Aircraft time: 4,349 hours, 1,366 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Condition: Failed
- Location: Cockpit
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2014041807510

## Discrepancy

DURING TAXI OUT, RECEIVED FMC DISAGREE MESSAGES ON BOTH NAV DISPLAYS.  ACFT GROUNDED. STOPPED ACFT RAN QRH CHECKLIST. CHECKLIST IN QRH RESET SYS, HAD TO REBUILD EVERYTHING.  CONTINUED FLIGHT.

---
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.