NHTSA Complaint #11500017 — 2009 MAZDA MAZDA6

I own a 2009 mazda 6 witch is my only vehicle I had tooken it to a mechanic shop due to noise comming from the front and rear of the car under farther investigation I was notified by the mechanic that the entire front and rear subframes were badly rotted and rusty i than took the car to a mazda dealer for further inspection we’re I was notified that they would replace the front sub frame under recall but I would still have to pay out of pocket for all the other suspension components long story short I was given an estimate of thousands n thousands of dollars that I could not afford and was told the car is unsafe to drive mainly due to the rear subframe and components bein severely rusted I would just like to know why there hasent been a recall for the rear subframe on this vehicle when there has been hundreds of other complaints about the same thing I’m goin through about the same year make and model vehicle so now I am out of a vehicle due to it bein unsafe to drive that could cost me my job