Deviation Case Studies – Page 12

Analyst training gap during routine testing – CAPA failure exposed

During a routine quality control (QC) analysis of a rather critical batch of a sterile injectable product, analysts began to observe aberrant results from the chromatographic tests. Unexpectedly elevated impurity…

Sample preparation error during routine testing – regulatory enforcement risk

The initial indication of a sample preparation error typically surfaces during routine quality control checks. In our case, several symptoms became evident:Click to read the full article.

Unapproved chromatographic integration during investigation – CAPA failure exposed

The initial symptoms that prompted concern among lab personnel included discrepancies in chromatographic integration results during routine quality checks. Specifically, the following signals were identified:Click to read the full article.

Action limit excursion not investigated during routine EM program – inspection finding analysis

The scenario unfolded in a sterile manufacturing facility during its routine environmental monitoring program. Laboratory personnel identified an excursion where viable air contamination levels exceeded the established action limits in…

Personnel EM failures repeated during routine EM program – CAPA and monitoring redesign failure

The scenario began when a pharmaceutical manufacturing facility noticed alarming signals from their Environmental Monitoring program. Weekly EM reports revealed an unusual increase in contamination events linked to personnel, including…

Repeated Grade B excursions ignored during inspection period – inspection finding analysis

When it comes to environmental monitoring in a Grade B cleanroom, deviations frequently manifest as fluctuations in microbial contamination levels. Common symptoms that indicate potential issues include:Click to read the…

Personnel EM failures repeated during aseptic operations – inspection finding analysis

The first indication of potential EM failures was observed during routine monitoring when the microbiological contamination rates exceeded the acceptable limit outlined in the Standard Operating Procedure (SOP). Specifically, non-conformances…

Media plate mishandling during aseptic operations – sterility assurance risk explained

During the internal review, several symptoms indicating media plate mishandling were identified:Click to read the full article.

EM alert limit justification missing during routine EM program – sterility assurance risk explained

The case began when routine environmental monitoring indicated bioburden levels exceeded alert limits in one of the aseptic processing areas. Specifically, one of the particle counters showed an alarming increase…

Repeated Grade B excursions ignored during aseptic operations – sterility assurance risk explained

During routine environmental monitoring in an aseptic manufacturing area, quality control personnel noted recurring intermittent excursions of viable particulates, specifically classified as Grade B excursions. Grade B areas are crucial…

Adverse EM trend not escalated during filling operations – inspection finding analysis

In our case study, personnel began experiencing unusual patterns in EM results, particularly in a Grade A filling area. The specific symptoms observed were as follows:Click to read the full…

EM alert limit justification missing during aseptic operations – CAPA and monitoring redesign failure

The issue was first noted during a routine quality audit when discrepancies emerged regarding the alert limits defined for environmental monitoring in the aseptic processing area. Several symptoms were present,…