This is what they asked me -
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Based upon the information you provided, a determination was made that additional information is needed. As a student, you may be eligible based on a specific job offer, directly based on studies, which will be revoked if the Employment Authorization Document is not received.
If you wish to be reconsidered for expedite processing please submit a detailed explanation of the situation in a one-page letter. A letter on company letter head that is signed by a company officer must accompany your request outlining a job offer and a description of the position. You may also submit any other information which you would like us to consider regarding your situation.
You may send in your request for expedite consideration to Nebraska Service Center, PO Box 82521, Lincoln, NE 68501.
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I sent them a document on company letter head signed by the Immigration coordinator of the company explaining the need of expedite processing and my manager wrote a paragraph for me as to what projects will I be working on. Along with this letter, I also sent my offer letter dated 19th Jan and the job description/responsibilities.
My status still shows "Case was received" !