"Roughly 90 minutes later, a second and more serious failure occurred. Mogensen said the Summit Double Chair began showing irregularities at its base terminal before suffering a critical failure in the front electric motor cabinet. "Within seconds, I witnessed a critical failure," Mogensen wrote. "Once we had a complete failure, I concluded we would be unable to safely decouple and separate the failed electric drive system, and utilize the auxiliary power unit to finish unloading skiers.""
"Black Mountain, New Hampshire, was forced to shut down both of its aerial chairlifts on what is possibly the busiest weekend of the season after experiencing critical mechanical failures on two separate lifts within hours, according to a letter from General Manager Erik Mogensen. The issues began around 10:00 a.m. Sunday, Deember 28, when ski patrol and operations staff detected an abnormal noise coming from the top bull wheel of the East Bowl Triple Chair."
Staff detected an abnormal noise at about 10:00 a.m. on December 28 from the top bull wheel of the East Bowl Triple Chair, prompting immediate halting of lift operations and safe unloading of skiers. Ski traffic was redirected to other lifts while crews assessed the situation. Approximately 90 minutes later the Summit Double Chair experienced irregularities and a critical failure in the front electric motor cabinet, preventing use of auxiliary power and requiring a manual evacuation that cleared the lift in roughly 30 minutes. No injuries were reported. The East Bowl failure involved a top bull wheel bearing nearing its planned replacement timeline and repairs require specialized bearings and heavy equipment.
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