ANCHORAGE (AP) -- Alyeska Pipeline Service Co. shut down the trans-Alaska pipeline for nearly seven hours Wednesday.
In a press release, Alyeska officials said the pipeline was shut down after an electronics problem at Pump Station 4, 144 pipeline miles south of Prudhoe Bay.
Alyeska said the pipeline's Systronics system, which controls communications between the operational control center, remote gate valves, Alascom and the pump stations, failed because of a short circuit at 3:54 p.m.
Alyeska said it is standard procedure to shut the pipeline down during the loss of communication between any segments of the pipeline.
Alyeska says the problem was identified quickly but a technician had to be flown from Pump Station 5 to fix the problem.
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