請教各位老師，SR收到以下答複，下一步應該怎麽做？難道幹等6個月？謝謝

請教各位老師，Service.request收到以下答複，下一步應該怎麽做？難道幹等6個月？我的PD已經到了。2006年5月的。謝謝

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Based on your request we researched the status of this case. We are actively processing this case. However, we have to perform additional review on this case and this has caused a longer processing time. If you do not receive a decision or other notice of action from us within 6 months of this letter, please contact customer service at the number provided below.