Grand Central Terminal experienced a brief blackout on Thursday night that left some MTA workers trapped in an elevator and thousands of others left to navigate the cavernous halls with the glow of their cellphones.

Power went down throughout the upper and lower portions of the iconic midtown Manhattan terminal at roughly 8:28 p.m. on Thursday until 9:17 p.m., according to the MTA. 4

Grand Central Madison — the 700,000 foot extension of the historic station — did not lose power during the electrical lapse.

“Grand Central Terminal experienced a drop in voltage to the feeder network that resulted in lights going out in portions of the facility,” MTA Communications Director Tim Minton said. “No train service was interrupted.”

“Power was restored to the upper level at 8:53 p.m. and th

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