Will 172.407(d) put my truck out of service?
No. Across our 13 million inspection records, this code has never resulted in an out-of-service order. The OOS rate for 172.407(d) is 0.0%—all 1 citation issued historically remained in-service. This is far below the 31.4% national average OOS rate across all FMCSR codes, making it a less severe enforcement action.