Defect Classification by Station

Every defect mapped to its production station — Jan–Aug 2026

21 Lines14,466 Defects

Defect Counts — Every Production Line

Total inspected, defects, and average PPM per line (Jan–Aug 2026).

LineDepartmentInspectedDefectsAvg PPMTargetStatus
ChassisChassis / Frame Fabrication357,34819825,5464,800⚠ ABOVE
Foam (Line 1)Foam Molding369,79435989,73011,800✓ OK
Trim (Line 1)Trim Cover Sewing311,367569518,2905,500⚠ ABOVE
GM AssemblyFinal Seat Assembly80,5965596,9363,600⚠ ABOVE
Kasrawy AssemblyFinal Seat Assembly24,6511465,9238,700✓ OK
Proton AssemblyFinal Seat Assembly16,04063742,000✓ OK
GEELY AssemblyFinal Seat Assembly32,0401123,4964,750✓ OK
Exceed AssemblyFinal Seat Assembly1,969002,000✓ OK
Mercedes AssemblyFinal Seat Assembly4,10100600✓ OK
Nissan AssemblyFinal Seat Assembly130,1243832,943900⚠ ABOVE
Suzuki AssemblyFinal Seat Assembly0004,000✓ OK
Foam (Line 2)Foam Molding88,798102411,5328,600⚠ ABOVE
Trim Cover (Line 2)Trim Cover Sewing107,8167236,7066,400⚠ ABOVE
BMWFinal Seat Assembly4,17637182,500✓ OK
ToyotaFinal Seat Assembly8,392111,3112,150✓ OK
CherokeeFinal Seat Assembly665001,300✓ OK
CitroenFinal Seat Assembly1,44016944,000✓ OK
Ghabbour (Accent-Tiggo7)Final Seat Assembly40003,600✓ OK
Abo Elftoh (Tiggo7)Final Seat Assembly8,405232,7363,000✓ OK
Geyushi (Mini Bus - Stecable)Final Seat Assembly7,14720027,9849,000⚠ ABOVE
DongfengFinal Seat Assembly000——
Total1,554,90914,4669,303

Defect Classification Framework

Each station in the production line, the defects that originate there, and why they are attributed to that stage.

Cutting Station

Fabric/leather panel cutting and foam block cutting to dimensional spec.

Welding Station (Body Shop)

Robotic MIG welding of chassis frame members and geometry control.

Foam Molding Station

Polyurethane pour, cure, and demold of the cushion foam core.

Trimming Station

Flash and excess foam/skin trimming after molding.

Grinding & Surface Station

Weld grinding, surface protection, painting, and rust prevention.

Sewing Station

Trim cover panel sewing, stitching, and seam formation.

Material Inspection Station

Incoming fabric/leather and laminate/backing inspection.

Assembly Station

Mounting foam, trim cover, and hardware onto the frame.

Finishing & Final QC Station

Final inspection, surface finishing, scratches/soiling control, outgoing QC.

Defect Classification — Charts by Station

Defect Classification by Station

Defects grouped by the production station where they originate — Jan–Aug 2026. Click a bar or slice to drill down by product model

01500300045006000SewingAssemblyFoam MoldingWeldingCuttingTrimmingGrinding &SurfaceFinishing &Final QCMaterialInspection
  • Sewing
  • Assembly
  • Foam Molding
  • Welding
  • Cutting
  • Trimming
  • Grinding & Surface
  • Finishing & Final QC
  • Material Inspection

Station Color Key

Defect Heatmap by Product Model

Defect Heatmap by Product Model

Each cell = total defects of that type for the product model (Jan–Sep 2026). Hotter cells = more defects.

Product Model
Assembly
Assembly Defects
Baso
Cleanliness
Cutting
Dimensions
Extra Thread
Finishing
Grinding
Impregnation
Material
Parts Shift
Sewing
Sewing Cut
Shift
Stitch Defects
Stitch Effects
Straightness
Tafzeer
Trimming
Unstitched
Vacuities
Welding
Wrinkles
Total
RT5052416··1105·51318146·419302065223125231802472952320
L02B·203·5245·43·95·34··3572575··13190·340·2971940
310 C·179··1611043····16·2448336··2310·40741151034
Geely·233··110·9···15··101·35·540···1051609
Kasrawy (القصراوى)480······76·345·154····23···19731604
VL15113··1565·10·3··1306026··32··554458572
NISSAN········19········7····245·271
Geyushi27·15·····8·····31·5·24·3174··215
PY1B····30···10············6096·196
Proton15·5·75····73·······5105125··196
Tiggo 77·520······5···53·4··21955··179
TOYOTA26·1219···3·85···27·4·18·1129··162
Office Chair (Stecable)139···········1···········140
Kasrawy (قصراوى)····35················95··130
Jetour·41········7··35·16·······31130
OFFICE8·724···1527·5···6······18··110
Kasrawy21·5····3··9·····7·14·21···80
JAC·39········5··8·5··3····666
VAN······10·5··4··········32·51
L12F·9········7··12····4····638
310 S·8········2··14·2······7·33
Gyushei·5········2··5·3··3····523
GEELY·····················20··20
Gyushi········5·············10·15
Exceed····10················5··15
3105·······6········3······14
Low
High

Trim & Foam Lines — Where Each Defect Happens

For Foam Line 1 & 2 and Trim Line 1 & 2, every defect is grouped under the station where it originates, with monthly counts and the root cause at that stage.

Foam (Line 1)

Polyurethane foam molding line (Line 1) — pours and cures the seat cushion foam core; includes cutting, trimming, and vacuum molding of the finished foam block.

3598 defects
Cutting Station

Fabric/leather panel cutting and foam block cutting to dimensional spec.

1334(37.1%)
DefectJanFebMarAprMayJunJulAugSepOctTotalRoot Cause at this Station
Cutting▾ models17612095100501351151902031501334Foam cut off-spec (dimensions or density) — cushion does not fit the frame or trim cover, leaving gaps or compression issues.
Foam Molding Station

Polyurethane pour, cure, and demold of the cushion foam core.

1687(46.9%)
DefectJanFebMarAprMayJunJulAugSepOctTotalRoot Cause at this Station
Vacuities▾ models11077118751201401802001731811374Internal voids/air pockets in the cured foam — reduced cushioning density and visible depressions in the finished seat.
Shift▾ models433510553510109515·308Foam core shifted inside the mold during cure — asymmetric cushion and uneven bolster support.
Cleanliness▾ models5·········5Foreign matter (dust, release agent) on the foam skin — bonding failure with the trim cover and contamination of the finished seat.
Trimming Station

Flash and excess foam/skin trimming after molding.

577(16.0%)
DefectJanFebMarAprMayJunJulAugSepOctTotalRoot Cause at this Station
Grinding▾ models20302020152510···140Rough foam skin after molding — surface tears or uneven contour that affects comfort and cover fit.
Trimming▾ models30457545·25154532125437Flash or excess foam not trimmed — interferes with trim cover fit and creates visible bulges.

Foam (Line 2)

Polyurethane foam molding line (Line 2) — pours and cures the seat cushion foam core; includes cutting, trimming, and vacuum molding of the finished foam block.

1024 defects
Cutting Station

Fabric/leather panel cutting and foam block cutting to dimensional spec.

24(2.3%)
DefectJanFebMarAprMayJunJulAugSepOctTotalRoot Cause at this Station
Cutting▾ models·······17·724Foam cut off-spec (dimensions or density) — cushion does not fit the frame or trim cover, leaving gaps or compression issues.
Foam Molding Station

Polyurethane pour, cure, and demold of the cushion foam core.

935(91.3%)
DefectJanFebMarAprMayJunJulAugSepOctTotalRoot Cause at this Station
Vacuities▾ models211827202750132174353624Internal voids/air pockets in the cured foam — reduced cushioning density and visible depressions in the finished seat.
Shift▾ models192515772222··8125Foam core shifted inside the mold during cure — asymmetric cushion and uneven bolster support.
Cleanliness▾ models14·8106151069522186Foreign matter (dust, release agent) on the foam skin — bonding failure with the trim cover and contamination of the finished seat.
Trimming Station

Flash and excess foam/skin trimming after molding.

65(6.3%)
DefectJanFebMarAprMayJunJulAugSepOctTotalRoot Cause at this Station
Grinding▾ models1278···8···35Rough foam skin after molding — surface tears or uneven contour that affects comfort and cover fit.
Trimming▾ models·9·6··69··30Flash or excess foam not trimmed — interferes with trim cover fit and creates visible bulges.

Trim (Line 1)

Seat trim cover sewing line (Line 1) — cuts fabric/leather panels, sews them into the cover, and assembles the finished trim cover for the seat.

5695 defects
Cutting Station

Fabric/leather panel cutting and foam block cutting to dimensional spec.

21(0.4%)
DefectJanFebMarAprMayJunJulAugSepOctTotalRoot Cause at this Station
Dimensions▾ models10·65······21Trim cover dimensions out of tolerance from cutting — loose or tight fit on the foam and frame.
Sewing Station

Trim cover panel sewing, stitching, and seam formation.

3973(69.8%)
DefectJanFebMarAprMayJunJulAugSepOctTotalRoot Cause at this Station
Extra Thread▾ models57926·······110Loose thread tails not trimmed — cosmetic defect and snag risk on the finished seat.
Sewing Cut▾ models15219070428197301141120941011794Fabric cut or severed at the sewing line — seam integrity is lost and the cover tears under tension.
Stitch Defects▾ models16353852481415161315262Skipped or uneven stitches — seam strength below spec; the cover may split in use.
Tafzeer▾ models284427171658463922418616Excess fabric bunching/overlap at the seam — dimensional distortion and a visible lump in the cover.
Wrinkles▾ models55111623021301101257567661103Puckered or wrinkled material after sewing — poor appearance and uneven fit over the foam.
Stitch Effects▾ models·166·····194788Stitch pattern distortion — cosmetic defect on the visible seam.
Material Inspection Station

Incoming fabric/leather and laminate/backing inspection.

111(1.9%)
DefectJanFebMarAprMayJunJulAugSepOctTotalRoot Cause at this Station
Material▾ models231940·29·····111Incoming fabric/leather defect (weave, dye, grain) — cosmetic non-conformity on a customer-visible surface.
Assembly Station

Mounting foam, trim cover, and hardware onto the frame.

1590(27.9%)
DefectJanFebMarAprMayJunJulAugSepOctTotalRoot Cause at this Station
Assembly Defects▾ models1121229544719423512111071831590Cover assembled incorrectly (orientation or attachments) — fit and function failure of the cover.

Trim Cover (Line 2)

Seat trim cover sewing line (Line 2) — cuts fabric/leather panels, sews them into the cover, and assembles the finished trim cover for the seat.

723 defects
Sewing Station

Trim cover panel sewing, stitching, and seam formation.

381(52.7%)
DefectJanFebMarAprMayJunJulAugSepOctTotalRoot Cause at this Station
Unstitched▾ models191840308283·3·149Open seam where stitching is missing — the seam separates under load.
Tafzeer▾ models18·1091311·721888Excess fabric bunching/overlap at the seam — dimensional distortion and a visible lump in the cover.
Baso▾ models177·10·15·118977Excess material at a seam junction — localized thickness that affects comfort and fit.
Stitch Effects▾ models647·54·353367Stitch pattern distortion — cosmetic defect on the visible seam.
Material Inspection Station

Incoming fabric/leather and laminate/backing inspection.

94(13.0%)
DefectJanFebMarAprMayJunJulAugSepOctTotalRoot Cause at this Station
Material▾ models9175··8··81663Incoming fabric/leather defect (weave, dye, grain) — cosmetic non-conformity on a customer-visible surface.
Impregnation▾ models58·5··553·31Lamination/backing impregnation defect — material layers delaminate and the cover loses durability.
Assembly Station

Mounting foam, trim cover, and hardware onto the frame.

183(25.3%)
DefectJanFebMarAprMayJunJulAugSepOctTotalRoot Cause at this Station
Assembly▾ models526381314301519914183Cover assembled incorrectly (orientation or attachments) — fit and function failure of the cover.
Finishing & Final QC Station

Final inspection, surface finishing, scratches/soiling control, outgoing QC.

65(9.0%)
DefectJanFebMarAprMayJunJulAugSepOctTotalRoot Cause at this Station
Finishing▾ models·103··58·93065Final finishing defect (thread, edge) — cosmetic non-conformity on the finished cover.
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