# Wedge Brake Data—Movement of the scribe mark on the lining shall not exceed 1/16 inch — Vehicle inspection defect categories: MOT major, minor and dangerous verdicts For Wedge Brake Data, defect is Wedge Brake Data—Movement of the scribe mark on the lining shall not exceed 1/16 inch; category is Reject; inspection item number is 1; defect reference is a; inspection item is Brake System, recorded from its source on 2026-08-06. - **Defect:** Wedge Brake Data—Movement of the scribe mark on the lining shall not exceed 1/16 inch _(verified: appears in the quote below)_ - **Category:** Reject - **Inspection item number:** 1 _(verified: appears in the quote below)_ - **Defect reference:** a. - **Inspection item:** Brake System - **Authority:** US 49 CFR Appendix A to Part 396 _(our reading, not quoted from the source)_ ## What the source says > Wedge Brake Data—Movement of the scribe mark on the lining shall not exceed 1/16 inch. ## Source - https://www.law.cornell.edu/cfr/text/49/appendix-A_to_part_396 Last verified: 2026-08-06. Review by: 2027-02-02. Part of [Vehicle inspection defect categories: MOT major, minor and dangerous verdicts](https://referencesource.org/vehicle-inspection-defect-categories/).