Introduction

Internal audits and self-inspections are among the most powerful tools for maintaining GMP compliance.

Benefits include:

• Early gap identification
• Regulatory preparedness
• Continuous improvement
• Risk reduction
• Quality culture strengthening

This chapter provides practical audit checklists that can be adapted for:

• Internal Audits
• Supplier Audits
• Self-Inspections
• Mock FDA Inspections
• WHO Inspections
• EU GMP Inspections
• Customer Audits

SECTION A – GMP SYSTEM AUDIT CHECKLIST

Quality Management System

Documentation

□ Quality Manual available

□ Quality Policy approved

□ SOPs current and approved

□ Controlled document system established

□ Revision history maintained

□ Obsolete documents removed

Change Control

□ Change Control SOP available

□ Changes assessed for impact

□ Risk assessments documented

□ Validation impact evaluated

□ Effectiveness verified

CAPA System

□ CAPA procedure approved

□ Root causes scientifically identified

□ CAPAs implemented on time

□ CAPA effectiveness verified

□ Recurrence monitored

SECTION B – DEVIATION MANAGEMENT AUDIT

Deviation System

□ Deviations documented promptly

□ Classification justified

□ Product impact assessed

□ Root cause identified

□ CAPA implemented

□ Closure timely

Investigation Quality

□ 5 Why analysis performed

□ Fishbone used where appropriate

□ Evidence documented

□ Conclusions scientifically justified

SECTION C – DATA INTEGRITY AUDIT

ALCOA+ Compliance

□ Data attributable

□ Data legible

□ Data contemporaneous

□ Data original

□ Data accurate

□ Data complete

□ Data consistent

□ Data enduring

□ Data available

Electronic Systems

□ Unique usernames assigned

□ Password controls active

□ Audit trails enabled

□ Audit trails reviewed

□ Backup procedures validated

□ Access rights controlled

SECTION D – TRAINING SYSTEM AUDIT

Personnel Training

□ GMP training completed

□ SOP training current

□ Role-specific training completed

□ Training effectiveness evaluated

□ Competency assessments performed

Training Records

□ Records available

□ Attendance documented

□ Assessments retained

□ Retraining completed when required

SECTION E – PRODUCTION AUDIT

Documentation

□ BMR available

□ Entries contemporaneous

□ Corrections GDP compliant

□ Signatures complete

□ Line clearance documented

Manufacturing Controls

□ Equipment cleaned

□ Equipment status labeled

□ Materials identified

□ Process parameters monitored

□ IPC records complete

SECTION F – QUALITY CONTROL AUDIT

Laboratory Controls

□ Specifications approved

□ Methods validated

□ System suitability documented

□ Instrument calibration current

□ Standards qualified

OOS Program

□ OOS investigations timely

□ Root causes documented

□ Product impact assessed

□ Trending performed

SECTION G – VALIDATION AUDIT

Validation Program

□ VMP current

□ Validation schedule maintained

□ IQ/OQ/PQ complete

□ Reports approved

□ Revalidation current

Cleaning Validation

□ Worst-case products justified

□ Sampling methods validated

□ Acceptance criteria approved

□ Validation reports available

SECTION H – HVAC & CLEANROOM AUDIT

HVAC Controls

□ Differential pressures monitored

□ Temperature controlled

□ Humidity controlled

□ HEPA integrity current

□ Alarm systems functional

Cleanroom Controls

□ Cleaning records complete

□ Environmental monitoring current

□ Smoke studies available

□ Recovery studies completed

SECTION I – WATER SYSTEM AUDIT

Water System

□ Qualification current

□ Conductivity compliant

□ TOC compliant

□ Microbial limits met

□ Endotoxin monitoring current

Distribution Loop

□ No dead legs identified

□ Sanitization performed

□ Trend analysis reviewed

□ Excursions investigated

SECTION J – WAREHOUSE AUDIT

Material Management

□ FEFO followed

□ Quarantine status maintained

□ Released materials identified

□ Rejected materials segregated

Storage Conditions

□ Temperature monitored

□ Humidity monitored

□ Alarm systems functional

□ Mapping studies available

SECTION K – STERILE MANUFACTURING AUDIT

Personnel Qualification

□ Gowning qualification current

□ Media fill participation current

□ Training current

□ Monitoring records available

Environmental Monitoring

□ Viable monitoring current

□ Particle monitoring current

□ Trending performed

□ Excursions investigated

Media Fill Program

□ Worst-case conditions included

□ Interventions representative

□ Acceptance criteria met

□ Reports approved

SECTION L – SUPPLIER QUALITY AUDIT

Supplier Qualification

□ Supplier approved

□ Audit completed

□ Risk assessment performed

□ Quality Agreement active

Performance Monitoring

□ Supplier scorecards available

□ Complaints reviewed

□ CAPAs monitored

□ Requalification current

FDA INSPECTION READINESS CHECKLIST

Documentation Readiness

□ SOPs readily accessible

□ Validation reports available

□ Batch records complete

□ Training records available

□ Audit trail reviews current

Personnel Readiness

□ Employees understand procedures

□ Employees understand GMP

□ Interview coaching completed

□ Escalation process understood

Management Readiness

□ Quality metrics available

□ APQR current

□ CAPA effectiveness reviewed

□ Management Review completed

WHO / EU GMP INSPECTION CHECKLIST

□ CCS documented

□ Risk assessments available

□ Validation lifecycle demonstrated

□ Data Integrity controls effective

□ Environmental Monitoring robust

□ Contamination Control Strategy implemented

□ Change Control effective

□ QRM integrated

AUDIT OBSERVATION CLASSIFICATION

Critical Observation

Potential patient safety risk.

Examples:

• Data falsification
• Sterility assurance failure
• Product contamination

Major Observation

Significant GMP weakness.

Examples:

• Inadequate investigations
• Missing validation

Minor Observation

Limited compliance impact.

Examples:

• Documentation deficiencies
• Isolated procedural gaps

AUDIT EFFECTIVENESS METRICS

Organizations should monitor:

Number of Observations

Repeat Observations

CAPA Closure Rate

CAPA Effectiveness

Audit Coverage

Audit Timeliness

GOLDEN RULES FOR AUDIT SUCCESS

Always Follow Procedures

Document Activities Contemporaneously

Investigate Thoroughly

Never Guess During Interviews

Demonstrate Data Integrity

Focus on Patient Safety

Build Quality Culture

About the Author

Ramesh Palav is a GxP Compliance and Computer System Validation (CSV) professional with experience in pharmaceutical manufacturing, quality systems, data integrity, and digital transformation. He is passionate about helping organizations adopt compliant, efficient, and practical digital solutions while maintaining regulatory expectations and patient safety.