https://www.wbur.org/news/2015/12/30/fed-review-faults-mbta
Fed Review Faults MBTA For Inadequate Maintenance Plan | WBUR News
The Federal Transit Administration's triennial review said the MBTA lacked a "comprehensive and overall maintenance plan for Heavy and Light Rail Transit."
inadequate maintenancefedreviewfaultsmbta
https://www.csb.gov/final-csb-report-on-imperial-sugar-disaster-concludes-inadequate-equipment-design-maintenance-and-housekeeping-led-to-massive-sugar-dust-explosions/
Final CSB Report on Imperial Sugar Disaster Concludes Inadequate Equipment Design, Maintenance, and...