QFR No - 7000842036
Defect Details
| NC No. | 7000842036 |
| NC Date | 13/06/2022 |
| NC Submission Date | |
| Part No. | F2DZ08810B |
| Part Name | K0PG FORK BOLT |
| Supplier Name & Code | 101037-SHREE PATEL INDUSTRIES |
| ETL Plant | 1136-ETL Suspension Sanand |
| Defect Details | SALT SPRAY TEST FAIL-SALT SPRAY TEST FAIL |
1. Problem Description
| Defect Description | SST Failed within 192 Hours i.e. Heavy Red rust observed within 192 Hours. Also plating uncover observed during sampling i.e. plating uncover found in 4 Nos parts out of 10 Nos parts. |
| Detection Stage | Receipt |
| Problem Severity | Aesthetic |
| NG Quantity | 2592 |
| Is Defect Repeatative? | Yes |
| Defect Sketch / Photo |
Supplier Communication Details
| Quality Head Email ID | quality_spi@rediffmail.com |
| Plant Head/CEO Email ID | planthead_spi@rediffmail.com |
| MD Email ID | rspatel_spi@rediffmail.com |
2. Stock Details & action taken for NG parts
| Location | ETL End | Warehouse | Transit | Supplier FG | Supplier WIP | Total |
|---|---|---|---|---|---|---|
| Total Qty |
3000
|
0
|
0
|
0
|
0
|
3000
|
| Check Qty |
3000
|
0
|
0
|
0
|
0
|
3000
|
| NG Qty |
1
|
0
|
0
|
0
|
0
|
1
|
| Scrap | 1 |
| Rework | 0 |
| Under Deviation | 0 |
| Containment Action |
|---|
| Hold the material at final inspection and plating. |
3. Process Flow
| Process Flow Description |
|---|
| 10. Incoming RM 20. Traub Turning 30. CNC 1st set up 40. CNC 2nd set up 50. Plating 60. Inspection 70. Packing & Dispatch |
4. Process Details
| Process / Operation | Plating |
| Outsource | Yes |
| Machine / Cell | Plating Tank |
| Machine / Cell No. | Tank No-01 |
5. Problem Analysis
| Type | Possible Cause | Fact Verification | Jud |
|---|---|---|---|
| Material | Plating Passivation | During process verification plating passivation pH found drop | O |
| Machine | Passivation bath tank | During process verification passivation bath tank capacity found change . | O |
6. Inspection Method Analysis (Current)
| Inspection Method | Gauge |
| Other Inspection Method | |
| Check Point at Final Inspection | Yes |
| Checking Freq. | Sampling |
| Sampling | No |
| Sample Size | 05 |
7. Root Cause Analysis (Occurance)
| Why 1 | Heavy rust observed during SST at customer end. |
| Why 2 | Plating passivation found improper . |
| Why 3 | Passivation PH Drop |
| Why 4 | Passivation tank found leakage & replaced with new one with increased capacity (20 Ltr to 25 ltr) |
| Why 5 | Daily passivation top up chemical was fixed as per 20 ltr bath tank.(50gm/ltr) |
| Root Cause (Occurance) | Passivation tank found leakage & replaced with new one with increased capacity (20 Ltr to 25 ltr) |
Root Cause Analysis (Outflow)
| Why 1 | Heavy rust observed during SST at customer end. |
| Why 2 | Inspector not detected dull plated part during final inspection . |
| Why 3 | Inspector was not aware about the defect. |
| Why 4 | No inspection std available at final inspection station. |
| Why 5 | |
| Root Cause (Outflow) | No inspection std available at final inspection station. |
8. Countermeasure ( Occurrence , Outflow & System side Actions )
| Type | Countermeasure Details | Responsibility | Target Date | Actual Date | Status |
|---|---|---|---|---|---|
| Occurance | 1. Daily passivation top up chemical maintain as per new bath tank (From 1.0 ltr to 1.25 ltr) 2. Top coated chemical also maintain as per new bath tank (From 1.0 ltr to 1.25 ltr) . Material send for SST testing , result awaited | Pradeep Tripathi | 17/06/2022 | Pending | |
| Outflow | 1)Training provided to the final inspector about the problem and inspection std. | Pradeep Tripathi | 17/06/2022 | Pending |
9. Inspection Method After Customer Complaint
| Change In Inspection System | No |
| Change Details | No Change |
| Inspection Method | Gauge |
| Other Inspection Method | |
| Check Point at Final Inspection | Yes |
| Checking Freq. | Sampling |
| Sampling | No |
| Sample Size | 05 |
10. Evidance of Countermeasure
| Occurance (Before) |
WI 174_Occurance_Before.xlsx |
| Occurance (After) |
WI 174_Occurance_After.xlsx |
| Outflow (Before) |
Sampling Plan 174_Outflow_Before.xls |
| Outflow (After) |
Sampling Plan 174_Outflow_After.xls |
11. Horizontal Deployment
| Horizontal Deployment Required | No |
| Applicable Machine / Model / Plant | No |
12. Document Review
| Documents | WISOP |
| Specify Other Document | Sampling Plan |
13. Effectiveness Of Action
| Reviewed Quantity | |
| Reason for submission |