CPGP Certified 100% First-Time Audit Pass Rate 200+ Inspections Prepared

FDA Inspection Preparation — GMP Mock Audits & Readiness

Whether you have an FDA inspection on the calendar or you are building a proactive compliance program, our GMP audit services ensure your facility, documentation, and team are fully prepared.

Mock inspections, 483 remediation, CAPA development, and employee interview coaching from a CPGP-certified consultant with a 100% first-time audit pass rate.

100%
Audit Pass Rate
200+
Clients Prepared
0
Warning Letters Issued
7
Credentials

What to Expect During an FDA Inspection

Understanding the FDA inspection process is the first step toward passing with zero observations. Here is exactly what happens when FDA investigators arrive at your facility.

An FDA GMP inspection can happen at any time. The FDA does not always provide advance notice, and investigators have the legal authority to enter any registered facility during business hours. When they arrive, they present credentials and an FDA Form 482 (Notice of Inspection), and the clock starts immediately.

For dietary supplement manufacturers, inspections typically last 2 to 5 business days. The FDA evaluates compliance against 21 CFR Part 111, focusing on identity testing of incoming ingredients, master manufacturing records, batch production records, quality control procedures, and your complaint handling system.

For pharmaceutical and OTC drug manufacturers, inspections are more extensive — often lasting 1 to 2 full weeks. Investigators scrutinize compliance against 21 CFR Parts 210 and 211, with particular attention to process validation, cleaning validation, stability programs, change control systems, equipment qualification, and laboratory data integrity.

For cosmetics manufacturers subject to MoCRA, the FDA now has expanded authority to inspect facilities for compliance with ISO 22716 GMP standards, facility registration requirements, adverse event reporting, and product listing obligations. These inspections are increasing in frequency as MoCRA enforcement ramps up.

The Three Pillars of Every FDA Inspection

Document Review

Investigators request batch production records, SOPs, specifications, CAPA logs, complaint files, training records, and validation protocols. They compare what your documents say to what your facility actually does. Gaps between documented procedures and actual practices are the number one source of 483 observations.

Facility Walkthrough

A systematic tour of your entire operation — receiving, warehousing, production areas, laboratories, packaging, and shipping. Investigators examine equipment maintenance logs, cleaning schedules, pest control records, temperature monitoring, and cross-contamination controls. They look at everything from ceiling tiles to drain conditions.

Employee Interviews

FDA investigators interview employees at every level — from production line operators to quality managers. They ask about daily procedures, deviation handling, and training. An employee who cannot explain their own SOP or who contradicts the documented procedure creates an immediate compliance concern. This is where most unprepared companies fall apart.

Our GMP Audit & Inspection Prep Services

Every service is designed to replicate the real FDA inspection experience so there are no surprises on audit day. Our CPGP-certified consultant has prepared over 200 facilities with a 100% first-time pass rate.

Mock FDA Inspections

A full-scale simulation of a real FDA inspection. Our consultant role-plays as an FDA investigator — reviewing batch records, walking your facility, interviewing employees, and delivering a detailed 483-style report with prioritized observations and specific remediation steps.

  • Realistic inspector role-play
  • Detailed 483-style report
  • Prioritized remediation plan

483 Observation Remediation

Already received a 483? You have 15 business days to respond. We draft a comprehensive FDA response with root cause analysis, specific corrective actions with evidence, preventive measures, and realistic timelines the FDA will find credible — preventing escalation to a Warning Letter.

  • Root cause analysis
  • FDA response drafting
  • Prevent Warning Letter escalation

CAPA Development

Corrective and Preventive Action (CAPA) is the backbone of any quality system and one of the first things FDA investigators evaluate. We build or strengthen your CAPA program with investigation methodology, root cause analysis tools (fishbone, 5-why, fault tree), effectiveness checks, and management review integration.

  • Full CAPA system design
  • Investigation methodology
  • Effectiveness verification

Document Review & Organization

The FDA principle is simple: if it is not documented, it did not happen. We review your entire documentation system — SOPs, batch production records, master manufacturing records, specifications, cleaning logs, calibration records, training files, and complaint logs — identifying gaps and inconsistencies before the FDA does.

  • Complete SOP audit
  • Batch record review
  • Gap identification report

Employee Interview Coaching

FDA investigators interview employees at all levels. An operator who cannot explain their own procedure can turn a routine inspection into a 483. We train your team on common FDA interview questions, how to answer accurately without volunteering unnecessary information, and how to handle difficult follow-up questions with confidence.

  • Common FDA questions + model answers
  • Role-play practice sessions
  • All staff levels covered

Facility Walkthrough & Readiness Assessment

A comprehensive on-site assessment through the eyes of an FDA investigator. We evaluate material flow, personnel flow, equipment placement, storage conditions, segregation controls, cleaning and sanitation practices, environmental monitoring, and pest control programs. Every observation comes with actionable remediation steps and a priority ranking.

  • Full facility evaluation
  • Cross-contamination review
  • Priority-ranked action items

Need broader FDA compliance support beyond GMP inspections?

Visit The FDA Expert for registration, warning letters, and 510(k) support

Common FDA 483 Observations by Industry

Each industry faces different regulatory scrutiny. Understanding the most common 483 observations in your sector helps you prioritize preparation efforts where they matter most.

Pharmaceutical

21 CFR Parts 210 & 211

  • Batch record completeness — Missing entries, unsigned steps, undocumented deviations
  • Cleaning validation — Inadequate procedures, missing residue limits, insufficient swab testing
  • Change control — Process changes without formal evaluation, documentation, or quality approval
  • Laboratory data integrity — Audit trails, unauthorized deletions, test-into-compliance
  • Process validation — Insufficient validation, missing qualification protocols
OTC Drug GMP Services

Dietary Supplements

21 CFR Part 111

  • Identity testing — Failure to test 100% of incoming dietary ingredients as required
  • Label claims verification — Product does not meet claims for identity, purity, strength, or composition
  • Adverse event reporting — Missing serious adverse event reports to FDA within 15 business days
  • Supplier verification — No qualification program or COA verification procedures
  • Master manufacturing records — Incomplete or missing written manufacturing procedures
Supplement GMP Services

Cosmetics (MoCRA)

ISO 22716 / MoCRA

  • MoCRA compliance gaps — Failure to meet new mandatory GMP requirements under MoCRA
  • Facility registration — Unregistered facilities or incomplete product listings with FDA
  • Adverse event reporting — Missing or late serious adverse event reports under MoCRA
  • Safety substantiation — Inadequate product safety and ingredient safety documentation
  • Fragrance allergen disclosure — Non-compliance with ingredient transparency requirements
Cosmetics GMP Services

Inspection Preparation Timeline

How long preparation takes depends on your starting point. Here is a realistic timeline based on our experience with 200+ facilities. Most companies fall into one of three categories.

30

30-Day Sprint

Mature Quality System

For companies with an established quality system that need a final readiness check. Your SOPs are current, training records are complete, and CAPA system is functional.

  • Mock inspection + report
  • Employee interview coaching
  • Minor gap remediation
  • Final readiness verification
60

60-Day Program

Most Common — Partial Systems

For companies with some quality infrastructure but significant gaps. You have basic SOPs but need CAPA improvements, documentation updates, and employee training.

  • Gap analysis + remediation plan
  • SOP updates and creation
  • CAPA system development
  • Employee training + mock audit
90

90-Day Build

Starting from Scratch

For new manufacturers or companies with no formal quality system. We build your entire GMP compliance program from the ground up — documentation, training, CAPA, and full mock inspection.

  • Complete quality system design
  • Full SOP library creation
  • Process validation + equipment IQ/OQ/PQ
  • Full training program + mock inspection

Not sure which program fits your situation?

Get a Free Assessment

FDA Inspection Prep — Frequently Asked Questions

Ideally, you should begin FDA inspection preparation 60 to 90 days before an anticipated inspection. However, if you have never undergone a GMP audit or have significant compliance gaps, a 6-month lead time is recommended. Companies that maintain continuous compliance programs require less intensive preparation. The key is not to wait until you receive an FDA Form 482 notice of inspection — proactive preparation dramatically improves outcomes. Our 30-day, 60-day, and 90-day programs are designed to match your starting point.
The most common reason companies fail FDA inspections is inadequate documentation. This includes missing or incomplete batch production records, outdated SOPs that do not reflect actual practices, insufficient CAPA documentation, and gaps in training records. The FDA operates on the principle that "if it's not documented, it didn't happen." A close second is employee unpreparedness — staff who cannot explain their own procedures to FDA investigators raise immediate red flags. Our GMP certification guide covers documentation requirements in detail.
An FDA Form 483 lists observations of conditions that may violate the Food, Drug, and Cosmetic Act. You have 15 business days to submit a written response to the FDA. Your response must address each observation with specific corrective actions, root cause analysis, timelines for completion, and evidence of CAPA implementation. Failure to respond adequately can result in a Warning Letter, consent decree, import alerts, or even facility shutdown. A well-prepared company with a GMP consultant can often resolve 483 observations before they escalate. Contact us immediately if you have received a 483.
A mock FDA inspection replicates the exact experience of a real FDA audit. Our CPGP-certified consultant arrives on a scheduled date, presents credentials, requests your most recent batch records and SOPs, conducts a facility walkthrough examining equipment, storage, and sanitation, and interviews employees at all levels using the same questions FDA investigators ask. At the conclusion, we issue a detailed report that mirrors an FDA Form 483, identifying every observation and providing prioritized remediation steps. Most mock inspections take 1 to 3 days depending on facility size and product complexity.
Yes. We prepare manufacturers for FDA inspections across all regulated product categories — pharmaceutical and OTC drugs (21 CFR 210/211), dietary supplements (21 CFR 111), cosmetics (MoCRA / ISO 22716), and food manufacturing (21 CFR 117). Each industry has different regulatory requirements and common 483 observations. Our CPGP, CFSQA, and RAC certifications ensure deep expertise across every category. We tailor our mock inspections and preparation programs to your specific industry and regulatory framework.

Don't Wait for the FDA to Show Up

The average FDA warning letter costs companies $500,000 or more in remediation, lost revenue, and reputational damage. A product recall can cost millions. The time to prepare is now — not when the investigator is at your front door.

Schedule a free inspection readiness review with Jared Clark — JD, MBA, PMP, CMQ-OE, CPGP, CFSQA, RAC. In 30 minutes, we will assess your current state, identify your biggest risk areas, and outline a clear path to passing your next FDA inspection with zero 483 observations.

Or email support@certify.consulting for a confidential consultation.