Alternate Title: Specialist's Factual Report of Investigation: Digital Flight Data Recorder
"In support of the Federal Bureau of Investigation's (FBI's) investigation into the terrorist act of American Airlines Flight 77, which crashed into the Pentagon in Arlington, Virginia, on September 11, 2001, the NTSB Vehicle Recorders Division received the following solid state flight data recorder (SSFDR) on September 14, 2001: Recorder Manufacturer/Model: Loral Fairchild Model F-2100. The SSFDR was examined upon receipt. The recorder displayed evidence of impact, fire, and smoke damage."
National Transit Safetey Board: http://www.ntsb.gov/info/foia_fri.htm