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MACE Audit | VSA Audit | Maruti Vendor System Audit Checklist

MACE stands for Maruti Centre of Excellence, and VSA stands for Vendor System Audit.

MACE Audit or Vendor System Audit (VSA) checklist consists of 19 clauses as listed below:

  1. Production Preparation / New Product Development
  2. Regulation for initial production control
  3. Changing Management
  4. Standards Management
  5. Education and Training
  6. Quality audit and process verification
  7. Supplier Control
  8. Handling Abnormality in Quality
  9. 5S Management
  10. Equipment/Inspection Equipment’s Management
  11. Implementation of Standards
  12. Products Management
  13. Handling Management
  14. Critical Parts Management
  15. Adequate Testing Facility 
  16. Process Audit
  17. Scale and Top Management Bandwidth
  18. Safety
  19. Legal Compliance and Environment
MACE AUDIT

Clause1: Production preparation / New Product Development

 Audit Area Concerning Regulation
1Regarding the implementation rule of production preparation1Do you define the procedure for Product development including the following? -scope of parts, the responsibility of each department, control contents/items?
2Regarding management/implementation by production preparation plan/report (master plan)1Do you implement follow-up to control the schedule and progress of production preparation items? Incl top management
3Defect prevention at the stage of process design by using FMEA/Matrix diagram1Do you consider the following items and implement corrective and preventive action to the processes and standards before regular production? -Troubles in the past; -Defect items expected; -Defect items unable to capture at customer; -Defect items difficult to repair;
4Product/process evaluation at the quality evaluation meeting in each trial1Do you prevent defects by quality-improving activities of the cross-function team to evaluate quality performance?

Clause2: Regulation for initial production control

Audit AreaConcerning Regulation
1Regulation for initial production control1Do you define the following items related to initial production control by standards? -controlled parts; -controlled items; -inspection method; -initial production control period; -a person who announces start/end of initial production control;    -finish condition;
    2How do you define items that required special control during initial production control?  Do you set stricter inspection methods than ordinary inspection?
2Implementation of initial production control1Do you control process capability and defect rate during initial production control?

Clause3: Changing Management

Audit AreaConcerning Regulation
1Definition and implementation of changing management1Do you define unexpected change (unusual) and planned change clearly?
  2Do you define procedure(rules applied from sharing information to result confirmation) at change occurrence?
  3Do you record product quality check results to ensure traceability? Incl retroactive checks
2Definition and control method for the initial part1Do you define and control the initial part clearly?
  2Do you control initial parts separately and make quality records about them? (both internal and outsourced processes are included)

Clause4: Standards Management

Audit AreaConcerning Regulation
1Procedure to make process control standards(QA process charts)1Do you make and review process control standards, Inspection specifications, and Operation instructions for all products which are shipped to SMC /MSIL /Tier 1?
2Procedure to control standards  
・Process control standards  
・Inspection specifications  
・Operation instructions
1Do you have consistency to keep process control standards, inspection specification,  operation inspection, and parameter chart?

Clause5: Education and Training

Audit AreaConcerning Regulation
1Education/ training procedure1Do you clarify the department in charge of promoting quality education, and implementing education based on the annual plan? Are records of education kept?
  2Do you define and implement the skill evaluation of the operator to determine whether an operator can work without surveillance? (e.g. acceptable revel/evaluation frequency/evaluation method)
2Education for managers/Inspectors/ Special operators1Do you periodically monitor the skill of certificated operators and follow up to improve their skills?

Clause6: Quality Audit and Process Verification

Audit AreaConcerning Regulation
1Activity to keep/improve production quality1Do you conduct a quality audit to identify issues and properly improve them?
2Content of process review1Do you confirm consistency between actual operation and standard?
  2Do you confirm if countermeasures are taken properly to prevent reoccurring quality failure?

Clause7: Supplier Control

Audit AreaConcerning Regulation
1Evaluation method for new suppliers1Do you define criteria to certify new suppliers and implement them?

Clause8: Handling Abnormality in Quality

Audit AreaConcerning Regulation
1Handling when an abnormal situation occurs1Do you define clearly what is an abnormal situation and make operators know the definition?
  2Do you clarify and standardize the handling rules/routes for customer claims, in-process failure, and supplier failure?
  3Do you have criteria to estimate the scope of a suspected lot for an abnormal situation? When an abnormal situation occurs, do you trace the suspected lot based on the criteria?
2Prevention of recurrence  
・Customer claims
・In process failure
・Suppliers failure
1Do you prevent the recurrence of issues by analyzing the cause of occurring defects based on process investigation results such as 5-why analysis?
  2Do you reflect corrective action to the improvement of process control and review of standards?
  3After corrective actions are taken, do you conduct on-site checks and evaluate the effectiveness? And horizontal deployment.

Clause9: 5S Management

Audit AreaConcerning Regulation
1Location of the production site1Do you keep store material, work-in-process, finished products, inventory, and containers at appropriate storage prevented from dust, rust, scratch, deformation, and rainwater?
  2Do you control material, work-in-process, and finished product by designated location,  volume, and standard using visual control?
  3Do you implement inspection or critical operation under a properly controlled environment luminance /temperature/humidity/vibration/noise/work table, etc.)?
2Production equipment’s management1Do you keep the condition of production equipment, jigs and tools properly?
  2Do you keep the condition of inspection equipment properly to ensure accuracy?

Clause10: Equipment/Inspection Equipment’s Management

Audit AreaConcerning Regulation
1Maintenance of equipment, jigs, and tools1Do you conduct daily/regular checks of production equipment, dies, and jigs? Are records of maintenance kept?
  2Do you confirm regularly the function of Poka-yoke, automated stop, and alarm? Are records of maintenance kept?
  3Do you standardize the frequency of polishing and replacement for consumable tools(blade/electrode/rub stone, etc.)?
2Maintenance of inspection equipment1Do you calibrate regularly inspection equipment and put the expire date on them?
  2Do you control the deterioration (expire date) of boundary samples for objective judgments such as appearance inspection?

Clause11: Implementation of Standards

Audit AreaConcerning Regulation
1Implementation of standards1Do you use easy expressions (visualizer, onomatopoeia, etc.) for operation instructions? So that operator can easily understand processes and critical points.
  2Do you keep operation instructions in an accessible place and most important quality points and critical operation points in a place where operators can see them easily?
  3Do you regularly monitor that each operator operates according to the operation instructions? 
  4Is it possible to judge OK/NG specifically by each check sheet (of daily equipment check, quality control report, etc.) you use?

Clause12: Products Management

Audit AreaConcerning Regulation
1Management of parts flow1Do you keep first-in first-out of finished products and work-in-process (material, reserve parts)by using an identification tag or lot indication?
  2Do you control follows production history by product lot numbers? -production date; -production volume; -shipping date
  3Do you control the identification of similar parts separately?
2Non-confirming parts management1Do you control the identification of non-confirming parts and parts on hold? Do you store them separately?
  2Regarding repaired non-conforming parts and parts on hold to re-use, do you define responsibility to implement?  Are repair records kept?

Clause13: Handling Management

Audit AreaConcerning Regulation
1Bins/ Trolley Management1Do you make arrangements with customers about the packing style & transportation system to prevent damage during the handling of finished products & perform accordingly?
  2Do you have a system to maintain Bins /Trolleys in Good Condition?

Clause14: Critical Parts Management

Audit AreaConcerning Regulation
1Maru A Parts Management1Do you have Special checks/Inspections for Maru A parameters of the Maru A part available?
  2Do you have the Identification of Maru A Process/Operator on Shop Floor?
  3Do you keep the repair history when repairing & using Maru A items?

Clause15: Adequate Testing Facility 

Audit AreaConcerning Regulation
1Testing Facility1Does the supplier have all inspection instruments required as per drawing requirements?
  2Does the supplier have all Testing Equipment/Rigs required as per drawing requirements?
  3Does the Supplier has trained manpower to operate these inspection and testing instruments?

Clause16: Process Audit

Audit AreaConcerning Regulation
1As per PCS1Conduct process audit as per process control standard
  2Closure of all the observations

Clause17: Scale and Top Management Bandwidth

Audit AreaConcerning Regulation
1Management Bandwidth & Organization Structure1Do you have adequate organization structure and defined roles/ responsibilities for key areas such as Plant Head, Quality, Production, and Maintenance?
2Review Mechanism2How frequently Top management visits the shop floor? How frequently Top Management monitors key performances (Performance at the customer end, in-house quality, productivity, maintenance, safety, etc.)?
3Plant Sales Turnover*3Plant Sales Turnover for the audited plant. Group Turnover
4PAT/Sales4PAT/Sales
5D/E Ratios5D/E ratio
6ROCE6ROCE

Clause18: Safety

Audit AreaConcerning Regulation
1Working Conditions1Is the shop floor temperature, noise level, and air quality (fumes) ok? Is the layout and escape route on the shop floor Ok? Are Rest Areas/Toilets Available? Is the area/machine sufficient enough to allow easy movement of machines and tools?
2Human and Machine Safety2Are Safety Standards made (as per process requirement) and taught to all operators? Are PPEs available as per the standards or not?
  3Machine Safety system (Door sensors etc. ) available or not? Is Safety in material movement and tools ensured or not?
  4Are safety standards followed on the shop floor as per the procedure? Are usage of PPEs adhered to and monitored (by supervisor/senior) on the shop floor? What accident reporting mechanism is defined? Countermeasures against accidents taken and periodic verification being done?
3Fire Safety5Audit Conducted by a reputed 3rd party on MSIL defined check sheet?

Clause19: Legal Compliance and Environment

Audit AreaConcerning Regulation
1Consent to Operate1Is consent to operate (Valid as on date) available or not?
2ESI & PF2Are all operators enrolled for ESI and PF? Does management review the status of PF contributions /ESI payments? If  ESI& PF are managed by the Contractor, then does management review and check the ESI enrolment/ payments?
3Hazardous Waste Management3Are the different types of wastes identified on the shop floor and standards/ Procedures made? Is Segregation done at the source for different types of waste? Storage and disposal are done as per consent and periodic confirmation at the disposal stage?
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