A possible rear-axle defect prompted the RTD on Tuesday to take 65 newly purchased buses out of service, officials said.
The sidelined buses are part of a fleet of 267 built by Transportation Manufacturing Corp. and acquired by the Southern California Rapid Transit District last August.
RTD General Manager Alan Pegg said the defect in the bracket supporting the rear axle has appeared in coaches that have been driven 20,000 miles or more.
“It is certainly possible that more coaches may have to be pulled from service in the future,” Pegg said.
The bracket, made by Rockwell International, is under warranty, and RTD officials said both Rockwell and Transportation Manufacturing “have indicated a willingness to address the problem.”
RTD officials said they will deploy older buses to replace newer coaches sidelined by the defect.