# SDR AALA201902049012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 2, 2019
- Submitted: February 4, 2019
- Operation: Air carrier
- Aircraft: [N926NN](https://openairdocs.org/aircraft/N926NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 33321
- Aircraft time: 18,891 hours, 7,676 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Condition: Malfunctioned
- Location: Cockpit
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201902049012

## Discrepancy

BOTH FMCS FAILED SIMULTANEOUSLY FOR ABOUT 1 MINUTE AND THEN RESUMED NORMAL FUNCTION.  DURING THE FAILURE MENU PAGE DISPLAYED AND NEITHER FMC FUNCTIONED. PERFORMED FIM FIM 34-61-00 AND AMM 34-61-00, OPS CHECKED NORMAL. COULD NOT DUPLICATE.

---
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.