SEPTA was ordered to take immediate and sweeping steps to reduce the risk of fire on some of its Regional Rail trains .

The Federal Railroad Administration outlined five fires aboard the Silverliner IV trains, showing the inside of some of the scorched railcars.

SEPTA service manager Monique Moore was ready to confirm that a warning light wasn't glowing as a Silverliner IV pulled into Suburban Station Thursday.

"We are taking an active role in making sure that we investigate," she said.

Moore checked the panel, where a warning light signals trouble with the train's mechanical systems.

Here's why that light is important: Federal regulators stated that a Silverliner IV train was placed into service last week despite the warning light being on. The train later caught fire.

That's the

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