Apple 922-9828 Housing, Bottom Case - 17inch MacBook Pro Early Late 2011 - A1297. 922-9828 for A1297 i7 2.2GHz Early 2011, A1297 i7 2.3GHz Early 2011, A1297 i7 2.2GHz Late 2011, A1297 i7 2.3GHz Late 2011. Apple Bottom Cases, Case Components for MacBook Pro (17-inch Early 2011), MacBook Pro (17-inch Late 2011).