Problem Dome sheet corner in front of charger

Problem- Dome sheet corner in front of charger jack 5 Why Analysis / Cause (LAVA A 3) Defect Details Occurrence 1 st Why 2 nd Why Dome Sheet corner in front of charger jack Dome sheet corner out side of PCBA instead of under PCBA. Dome sheet corner not proper folding 3 rd Why Unawareness of operator. 4 th Why 5 th Why OK NG Defect- Dome sheet corner in front of charger jack (LAVA A 3) Description- Dome sheet showing in charger jack • Station- OQA • Line – 2 • Date- 09/5/2019 • In time – 02: 50 PM Out time – 03: 20 PM • Line leader- Robin PQC Leader –Harish • • Shift In charge- Vivek Kumar Sharma Containment action- : Defected Sample along new SOP both share with Operators and OJT given for the same. Rework of all Suspected material Qty 600 done, no such defect found. SFT Station deployed after concern stage to check 100% for 1 subjected issue. Model Name- LAVA A 3 Shift – B

Defects Investigation What Where When Why How many Dome sheet corner in front of charger jack OQA During OQA checking Dome sheet corner not proper folding 1 pcs Ø This is LAVA A 3 Model made at line no-2 on 09/05/2019 in b shift. Ø Dome sheet corner folded by Ranjeet (250689) having 15 days experience. Ø Dome sheet paste (SSI) by Vinit (165001) having 20 days experience. Ø Discussion done with Vinit and he said that Dome sheet shifting due to guide pin damage in jig.

Countermeasure Actions: Sr. no. Actions Who When Status 1 Awareness given to all line operators Line Leader 09/05/2019 Done 2 NG Dome sheet folding image added in relevant SOP. Line Leader 09/05/2019 Done 3 Additional check point of Line Leader 09/05/2019 Dome sheet corner in front of charger jack is added in A shell fitment SOP Done 4 Training given to concern operator. Line Leader 09/05/2019 Done 5 Dummy test started to check effectiveness of training. Line Leader 09/05/2019 Done

Action evidence Apology letters of concern operator Previous SOP Training given to both operators Current SOP

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