CR-008918 have been issued for back panel upper area thickness change to 3mm, detail please refer to the attached PPT. According to supplier schedule plan, they will start grain around 3.17 and finished on 4.19.Asked supplier to analysis tooling feasibility, this change need 30 days to modify tooling, may influence follow-up schedule. Please take care of it and check related schedule. Timing and supplier feedback please refer to attachment. Also put as reference items in CR.