Narrative:

I departed phx to pdx and sea with an inoperative flight data recorder. The activation switch had been removed during installation of the TCAS system and had not been replaced. I inadvertently missed the switch during my preflight set-up.

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Original NASA ASRS Text

Title: FLT CREW OF AIR CARRIER MLG FLEW FLT WITHOUT FLT DATA RECORDER BEING OPERATIVE.

Narrative: I DEPARTED PHX TO PDX AND SEA WITH AN INOPERATIVE FLT DATA RECORDER. THE ACTIVATION SWITCH HAD BEEN REMOVED DURING INSTALLATION OF THE TCAS SYSTEM AND HAD NOT BEEN REPLACED. I INADVERTENTLY MISSED THE SWITCH DURING MY PREFLT SET-UP.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.