"I suggested that the search should perhaps be along the 100E meridan, but at the time this was well east of where the search was being conducted. This latest news of the ping pickup at S25101E, if it checks out as the MH370 FDR, does lend some credence to the possiblity of an MEC fire as the original cause of the disappearance."
Which explains how the aircraft turned West, then North, then West again then SSW? Surely your scenario would have played out at or about the time of the first turn and when the ACARS/SSB were "Lost"??