Articles by: DA

Flat illustration linking an out-of-specification lab flask to a batch manufacturing record under investigation

Batch Record Related OOS Investigations: FDA Guide

How out-of-specification results tie back to the batch record: the two-phase investigation, defensible documentation, batch release logic, and the data integrity practices that keep audits clean. A batch record related OOS investigation sits at the seam between the laboratory and the manufacturing floor, and that seam is where most compliance programs stumble. An out-of-specification (OOS)

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Illustration showing a single blank field in a batch record leading to a recalled pharmaceutical bottle on a conveyor

Preventing Batch Record-Related Product Recalls: A Compliance and Engineering Playbook for FDA-Regulated Manufacturers

Article summary: Batch record errors are a leading, preventable driver of drug recalls. Preventing batch record-related product recalls depends on four controls that most manufacturers already own but underuse: disciplined record review, hard-gated release workflows, electronic batch record (EBR) and MES systems, and data integrity practices that satisfy FDA scrutiny. This playbook connects each control

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