Deviation & Failure Case Studies – Page 14

Residue limit exceedance during equipment changeover – revalidation CAPA failure

The manufacturing facility in question reported a series of deviations related to product contamination during routine operations. Specifically, several batches showed unexpected results in residual solvent testing after an equipment…

Cleaning validation not updated after product change during inspection – regulatory observation analysis

During a routine FDA inspection at a sterile manufacturing facility, clear signals indicated potential issues with cleaning validation protocols. Among the most prominent symptoms were:Click to read the full article.

Cleaning SOP deviation ignored during investigation – regulatory observation analysis

Recognizing symptoms of a cleaning SOP deviation is crucial for early intervention. In this case, symptoms were first reported during routine quality control checks, which began to unveil potential issues:Click…

Residue limit exceedance during inspection – cross-contamination risk case study

The first indication of potential contamination came during a routine GMP inspection when laboratory personnel identified foreign residues exceeding acceptable limits in a production area. Several key symptoms raised alarms:Click…

Residue limit exceedance during equipment changeover – cross-contamination risk case study

In our case study, the symptoms of the problem manifested during a planned changeover between production batches of different drug substances. The following signals were observed:Click to read the full…

Cleaning SOP deviation ignored during multi-product manufacturing – cross-contamination risk case study

The first indications of the cleaning SOP deviation surfaced during routine production monitoring. Operational staff noted the following symptoms:Click to read the full article.

Visual cleanliness accepted without testing during multi-product manufacturing – cross-contamination risk case study

Symptoms associated with the acceptance of visual cleanliness without testing became evident during routine inspections and bench-level evaluations. Key signals included:Click to read the full article.

Cleaning validation not updated after product change during investigation – revalidation CAPA failure

The first indication of the issue came during routine quality control (QC) checks, where increased levels of residues from a previously manufactured product were detected in batch samples. Operators on…

Cleaning validation not updated after product change during equipment changeover – cross-contamination risk case study

The initial indication of potential cross-contamination was observed during routine quality control checks of drug products manufactured in the facility. The following symptoms were noted:Click to read the full article.

Cleaning validation not updated after product change during equipment changeover – regulatory observation analysis

The situation unfolded when routine testing revealed residual cleaning agents and traces of prior products in equipment used for the formulation of a new drug. Quality Control (QC) personnel flagged…

Visual cleanliness accepted without testing during investigation – regulatory observation analysis

The problem first emerged during routine quality assurance audits when personnel began noticing closely packed residue on equipment surfaces following cleaning cycles. While there were no immediate failures, the visual…

Cleaning SOP deviation ignored during investigation – cross-contamination risk case study

Typically, the first signals of a cleaning SOP deviation manifest in various forms, such as:Click to read the full article.