A321 captain reported losing FMGC1 after being dispatched with FMGC2 deferred inoperative.

Attributes
ACN	1614982
Time
Date	201902
Local Time Of Day	1801-2400
Place
Locale Reference	ZZZ.Airport
State Reference	US
Environment
Flight Conditions	VMC
Aircraft 1
Make Model Name	A321
Operating Under FAR Part	Part 121
Flight Phase	Cruise
Flight Plan	IFR
Component
Aircraft Component	Autoflight System
Person 1
Function	Captain Pilot Not Flying
Qualification	Flight Crew Air Transport Pilot (ATP) Flight Crew Instrument Flight Crew Multiengine
Events
Anomaly	Aircraft Equipment Problem Less Severe

Narrative:

Flight was on MEL for FMGC2 (flight management guidance computer). Prior to beginning descent FMGC1 failed; resulting in a FMGC dual failure. Followed sops; ATC vectored us for a visual approach. Flight landed without incident.

Original NASA ASRS Text

Title: A321 Captain reported losing FMGC1 after being dispatched with FMGC2 deferred inoperative.

Narrative: Flight was on MEL for FMGC2 (Flight Management Guidance Computer). Prior to beginning descent FMGC1 failed; resulting in a FMGC dual failure. Followed SOPs; ATC vectored us for a visual approach. Flight landed without incident.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.