"The board [NTSB] confirmed that Flight 593's thrust reversers were stowed, the flaps were apparently retracted, and the landing gear was up when the plane went down."
The checks, mandated for U.S. and French carriers under directives issued in those two countries Friday, were deemed necessary once investigators determined that the American aircraft's tail separated along an attachment point. About 20% of the world's 410-odd affected aircraft have been checked, and no carrier has reported anything unusual, sources tell AviationNow.com."
Problem here is after the NTSB investigated the crash site, who investigated the NTSB????