Metro temporarily removes all 3000-series cars from service after report of door malfunction

Metro has temporarily removed all 3000-series cars from service after they say they received a report of a door malfunction for which no cause has been identified. The transit agency says the voluntary safety action reduces the number of available rail cars by 15 percent.

There will be more six-car trains on the tracks Tuesday. Metro says they have resumed Grosvenor turnbacks and will have 32 additional cars available.

"Every effort will be made to keep normal train intervals. Apologies for any inconvenience. Your safety is our highest priority," said a statement posted to Twitter Tuesday morning.

Metro says their Rush-Hour Promise remains in place.