will 177.823 put my truck out of service
No. Across our inspection records, 177.823 citations result in an out-of-service order 0% of the time. This code carries OOS eligibility, meaning an officer has the authority to place you OOS, but enforcement data shows it is not being applied in practice. Compare this to peer hazmat loading violations like 177.834A (99.2% OOS rate) or 177.817(a) (75.1% OOS rate)—177.823 sits in a different enforcement posture. You will likely receive a citation and remain in-service to complete your run, but compliance is still mandatory.