![Nadcap Chemical processing - Paint process AC 7108/1 rev B [Revised 2014-10]](/media/fd47b28b-a416-43f5-b76c-75c325ced897 "Nadcap Chemical processing - Paint process AC 7108/1 rev B [Revised 2014-10]")
Information
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Audit Title
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Conducted by:
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Signature:
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Date of Audit:
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List of Auditees:
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Report agreed & authorised by :
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Name:
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Signature / date:
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Title :
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2.1 Painting / Dry Film Coatings
- Paint
- Dry film lubricant
- Sol gel
- Other
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Other list:
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2.2 Application Methods
- Brush application
- Airless spray application
- Conventional spray application
- Electrostatic spray application
- High volume / low pressure application
- Fluidized bed application
- Dip / immersion application
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2.3 Paint System Types
- Single component
- Multiple component (kit), catalyzed
- Multiple component automated mixing
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2.4 Curing Methods
- Infrared curing / drying
- Thermal oven curing / drying
3. Painting and Dry Film Coatings
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3.1 Are pre cleaning and pre treatment procedures documented on shop paper?
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3.2 Is verification of cleaning performed and documented prior to paint / film application?
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3.3 Are prepared surfaces protected prior to paint / film application?
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3.4 Are there procedures for controlling time between surface preparation and coating application, when required by customer / specification?
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3.4.1 When a time limit between surface preparation and coating application are required by the customer or specification is there a procedure that defines required surface reprocessing if this time limit is exceeded?
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3.5 Is Paint / film material purchased to customer approval or qualified products list?
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3.6 Does material have traceable certificate of conformance?
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3.7 Is there a procedure for shelf life control?
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3.8 Is there evidence in the shop that shelf life control is carried out?
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3.8.1 Is there a documented procedure for Re-qualification and / or disposal of material? <br>N/A applies if NO materials are requalified for Production use or disposed of.
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3.8.2 Are records retained of Re-qualified materials and test results? N/A applies if NO material are requalified for Production use.
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3.9 Are materials stored under appropriate temperature environment controlled conditions?
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3.10 Is the addition of thinner controlled by viscosity and / or mix ratio, as required by customer / specification / technical data sheet?
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3.11 Is viscosity of the coating material checked and documented prior to use? N/A applies when viscosity test is not required by application specification.
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3.12 Are there procedures for proper agitation (shaking) and mixing of materials including agitation time, mixing ratios, mixing order and mixing time?
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3.13 Is mixing time recorded and traceable to the job? N/A applies for single component paints.
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3.14 Are pot life and induction time recorded and traceable to the job? N/A applies when no pot life or induction times are required for the material.
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3.15 Is material applied traceable to the hardware to which it was applied and recorded on shop paper?
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3.16 Is spray equipment cleanliness maintained including guns, cups, feed lines, etc?
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3.17 Are coating application areas e.g spray booths, racking areas, masking areas, drying areas, controlled to minimise contamination?
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3.18 Are grit blasting and coating spray equipment segregated? N/A applies when grit blasting operations are not performed on-site.
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3.19 Are required and actual drying times between coats and to final cure documented on shop paper, recorded and traceable to the job? N/A applies when time limits are not specified by application specification / Technical data sheet.
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3.20 Are there procedures to assure that relative humidity and / or temperature meet manufacturer or customer requirements during application and air cure? N/A applies if there are no defined temperature or humidity requirements for any coatings that are applied.
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3.21 Do records show that relative humidity and temperature meet requirements defined by procedure? N/A applies if there are no defined temperature or humidity requirements for any coatings that are applied.
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3.22 Is there an individual identified to determine that environmental conditions in the shop are suitable for coating as described above? N/A applies if there are no defined temperature or humidity requirements for any coatings that are applied.
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3.23 Are procedures / shop papers and controls in place to perform burnishing after curing of coating in accordance with customer / specification requirements? N/A applies when burnishing is not required or permitted.
4.0 Lot and periodic testing for Paint and Dry Film Coatings
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4.1 Are thickness test results and methods documented on shop paper? N/A applies when a coating thickness is not specified by the customer/specification.
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4.3.2 Are Paint colour and / or gloss standards available? N/A applies when a colour/gloss control is not defined by customer/specification.
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4.2 Are adhesion test results and methods documented on shop paper? N/A applies when adhesion testing is not specified by customer/specification.
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4.3 Is Paint certification traceable to the specific colour / gloss requirement? N/A applies when there are no colour standard requirements for paint.
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4.3.1 Does the colour and / or gloss of the applied coating meet customer requirement? N/A appliess when there are no gloss or colour requirements.
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4.4 Solvent Resistance Test: N/A applies when solvent resistance testing is not required by customer or specification.
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4.4.1 Is there an internal procedure covering this test method that identifies the specification to which it is compliant? N/A applies if testing is performed by external laboratory.
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4.4.2 Is the person doing the testing identified as trained / competent to do the test?
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4.4.3 Is the test carried out at the required frequency?
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4.4.4 Is testing performed in accordance with the applicable specification?
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4.4.5 Is the correct Solvent used for the test?
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4.4.6 Does the person performing the test use the correct Solvent exposure technique? N/A applies if testing is performed by external laboratory
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4.4.6.1 For Solvent rub test does operator use correct Solvent saturation, pressure, rubbing cycles or times.? N/A applies if testing is performed by external laboratory or when rub test is not performed.
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4.4.6.2 For Solvent immersion test is the specimen exposed for the correct times and temperatures? N/A applies if testing is performed by external laboratory or when solvent immersion test is not performed.
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4.4.7 Does the test procedure specify accept / reject criteria?
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4.4.8 Do test reports / certs show evidence of review, compliance to specification or correct retesting / replacement testing or customer notification?
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4.4.9 If testing is sub-contracted is the laboratory listed on the suppliers approved supplier list and is it approved by customer if required?
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5.0 Infrared Heat Cure
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6.0 Chemical Process Job Audit Of Painting / Dried Film Lubricant
6.1 Job Audit
6.1.1 Job Identity - job audit of
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6.1.1 Job Identity - job audit of
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6.1.1.1 Part Description
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6.1.1.2 Part Number
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6.1.1.3 Customer
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6.1.1.4 Prime Contractor
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6.1.1.5 Purchase Order/Revision Level
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6.1.1.6 Part Quantity
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6.1.1.7 Serial/Lot No
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6.1.1.8 Date of job / job number
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6.1.1.9 Alloy/Heat Treat Condition/Hardness
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6.1.1.10 Processing Specification
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6.1.1.11 other Purchase Order Requirements
6.1.2 Paperwork review: Compare purchase order, shipping documents, referenced blueprints, specifications, shop travellers, process instructions and inspection records.
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6.1.2.1 Are part numbers, specifications, and revision levels flowed down correctly?
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6.1.2.1.1 Are frozen processes identified and if so has customer approval been obtained? N/A applies if no frozen processes.
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6.1.2.1.2 If a follow on order, have PO requirements been reviewed for change? N/A applies if not a follow-on order.
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6.1.2.2 Are processing and inspection test requirements flowed down correctly?
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6.1.2.3 Does the shop paper provide the following?
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6.1.2.3.1 Traceable part identification?
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6.1.2.3.2 All processing steps identified including procedure numbers as applicable
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6.1.2.3.3 All inspection and test requirements identified
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6.1.2.3.4 All relevant variable data from process parameters controlled by operator recorded on shop paper or traceable to job in shop records
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6.1.2.3.5 All inspection and test results recorded on shop paper or traceable in shop records
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6.1.2.3.6 All operations, inspections and tests done in sequence recorded or traceable to specific process line/workstations, operator/inspector/technician and date done
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6.1.2.3.7 All rework operations documented? N/A applies if no rework is required for this job.
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6.1.2.3.8 All test coupons identified and traceable to specific pieces/lots. N/A applies if test coupons are not required processed with this job.
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6.1.2.3.9 Are coupons processed through all processing steps with pieces / lots they represent; including per-and post process chemical and / or mechanical cleaning and thermal cycles? N/A applies if test coupons are not required tobe processed with the job.
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6.1.2.3.10 All process, test and inspection equipment calibrated and traceable to part shop documents?
6.1.3 Process observations
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6.1.3.1 Recieving,paperwork generation, requirement review and Recieving inspection
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6.1.3.2 Pre-process cleaning: N/A applies if pre-cleaning is not required.
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6.1.3.3 Pre-thermal operations: N/A applies if pre-process thermal treatments are not required.
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6.1.3.4 Time limits between preparation and coating application (record time limits or none required)
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6.1.3.5 Re-processing due to exceeding time between surface preparation and painting performed per internal procedure and according to customers specification? (record method or none if no rework observed)
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6.1.3.6 Masking: N/A applies if masking is not required.
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6.1.3.7 Do Paint materials meet specification / technical data sheet requirements and are materials within shelf life? Note: If this job is export controlled do not include paint details. Auditor to include Paint manufacturer, material designation and batch# for each component.
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6.1.3.8 Does paint mixing and application meet specification / technical data sheet requirements?
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6.1.3.9 Processing (record n/a if none required)
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6.1.3.10 Post process cleaning (record n/a if none required)
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6.1.3.11 Post processing thermal operations (record n/a if none required)
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6.1.3.12 Final inspection: Note - For export control do not identify lot testing requirements.
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6.1.3.13 Packing and shipping
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6.1.3.14 Solution and/or material testing
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6.1.3.15 Periodic and/or lot testing
6.1.4 Lot acceptance testing/inspection
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6.1.4.1 Does the definition of "Lot" as established by the supplier conform to the definition outlined by the specification?
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6.1.4.2 Were parts shipped before completion of lot testing only with specific customer authorisation? N/A applies if parts were not shipped before completion of lot testing.
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6.1.4.3 Did the sampling plan meet specification and/or customer requirements?
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6.1.4.4 Was hardware held pending resolution of non-conformances noted during testing?
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6.1.4.5 Was lot testing required? N/A applies if no non-conformances.
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6.1.4.6 Was lot testing preformed and documented? N/A applies if no lot testing.
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6.1.4.7 Was lot testing in conformance with specification with and/or customer requirements? N/A applies if no lot testing.
6.1.5 Operator control and job acceptance
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6.1.5.1 List the operators who preformed processing operations
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6.1.5.2 Are the operators trained and approved
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6.1.5.3 Are all operations, inspections and tests properly signed off or stamped and dated as required, by the correct operator or department
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Describe
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6.1.5.4 Does all processing, testing, and inspection conform to requirements
6.1.6 Certification and reports or test reports
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6.1.6.1 Does certification show compliance to all the requirements and reflect actual data as required
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6.1.6.2 Does this job comply with all requirements ?
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6.1.6.3 Certificate or test report no (NA if certificate raised after audit completed)
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6.1.6.4 Certificate or test report date
Report of Audit findings
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