Which action is part of the door disarming procedure on the B737-700 (73G)?

• A. Remove girt bar from the floor bracket
• B. Place door streamer across door viewing window
• C. Verify the Velcro patch over the manual inflation handle is visible
• D. Crosscheck 1L and 1R are armed and crosschecked

Answer: (A)

Disarming a door on the 737-700 centers on releasing the door from the floor securing mechanism. The girt bar is placed into floor brackets to arm the door, so the key disarming action is to remove that bar from the floor brackets. After removal, you typically stow the bar in the door’s girt bar stowage bracket so it isn’t left engaged with the floor. This step disengages the door from the slide system and allows safe opening from inside without the slide being automatically engaged.

The other steps are associated with arming or checks rather than disarming. Placing a streamer across the door viewing window, verifying the visibility of a patch over the manual inflation handle, or crosschecking 1L and 1R as armed and crosschecked are procedures tied to arming and confirming status, not to the act of disarming.