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An inspection of the door's electrical wiring discovered insulation breaches, and isolating certain electrical wires allowed the door to operate normally again. [1]: 66–68 The lock sectors, latch cams, and latch pins on the door were inspected, and did not show any signs of damage of the type predicted by the NTSB's original hypothesis.
Utilizing a breaching tool is unnecessary if the door is unlocked and easy to open. [5] [3] [6] [1] If the door is locked, breachers can attempt to force inward-opening doors with a strong kick. The breacher will aim to hit the door near the locking mechanism, but not kick the doorknob itself as one can easily twist an ankle doing so. [7]
Mortise locks may include a non-locking sprung latch operated by a door handle. Such a lock is termed a sash lock. A simpler form without a handle or latch is termed a dead lock. Dead locks are commonly used as a secure backup to a sprung non-deadlocking latch, usually a pin tumbler rim lock. [note 1] [according to whom?]
Three point lock are also commonly used in wardrobes, like from Hettich [6] [7] Single-point locking may provide adequate security for some situations on tiered lockers, as the doors are shorter, and therefore more difficult to force open; however, the taller doors of full length lockers and cabinets are more susceptible to the application of leverage.
To maximize the working space within the cargo hold, the cargo doors opened outwards, making them vulnerable to being forced open at high altitudes under normal in-flight pressure. To prevent this, a special latching system was used that locked shut under pressure when properly closed. To ensure the latches were properly positioned, a handle on ...
The shelter remained intact, but the metal door of the shelter was bent and blown open by a large piece of debris. [35] The study found that the door was not properly constructed and was not in compliance with Federal Emergency Management Agency standards. The study also recommended that all safe room doors should be tested to prevent in ...
On some aircraft, a complex hinge design allows half the door to open inward like a plug door, and the other half to open outward. Initially the door can be rotated to fit through the opening for the non-plug half so the whole door then opens outward; this is called a semi-plug door. Alternatively, the door may have locking hinged panels at the ...
A slam latch uses a spring and is activated by the shutting or slamming of a door. Like all latches, a slam latch is a mechanism to hold a door closed. The slam latch derives its name from its ability to slam doors and drawers shut without damaging the latch. A slam latch is rugged and ideal for industrial, agricultural and construction ...