Narrative:

Descending to 14;000 feet; with center. Lost f-pln on FMS. Notified center of loss of navigation capability and asked for radar vectors. I was unable to restore any navigation capability on the captain mcdu. Transferred aircraft control to me. First officer was unable to restore any navigation capability on the first officer mcdu. Advised approach control. Approach provided radar vectors to final for the ILS. Manually tuned and identified the ILS. I flew ILS approach to a normal landing. FMS system failure.

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Original NASA ASRS Text

Title: A330 Captain reported experiencing a dual MCDU failure during descent for landing and requested vectors to the ILS from ATC.

Narrative: Descending to 14;000 feet; with Center. Lost F-PLN on FMS. Notified Center of loss of navigation capability and asked for radar vectors. I was unable to restore any navigation capability on the Captain MCDU. Transferred aircraft control to me. First Officer was unable to restore any navigation capability on the First Officer MCDU. Advised Approach Control. Approach provided radar vectors to final for the ILS. Manually tuned and identified the ILS. I flew ILS approach to a normal landing. FMS system failure.

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.