MD-80 Flight Manual 麦道80飞行手册 2(114)

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Door warning lights on the flight compartment annunciator panel will remain on when the door is not closed and latched.
Passenger Aft Entrance Stairway
The aft entrance stairway is hydraulically actuated and powered by the right hydraulic system and, if normal hydraulic power is not available, the stairway may be extended by free-fall and retracted by using the hand pump in the right main wheel well to pressurize the right hydraulic system. When retracted, the stairway is automatically locked in the up position by mechanical locks. The stairway may only be operated by a control handle located in the exterior stairway control panel. Advisory lights, mounted on the stairway interior control panel, indicate stairway and stairway door position.
In the extended position, the stairway does not normally touch the ground. However, under certain conditions, such as an uneven ramp, the folding step may touch the ground, and the lower step extension will fold to accommodate the variations. If the airplane is subjected to extreme conditions, such as high winds over the nose or abnormal aft section loading, the airplane may tip aft causing the lower step extension to fold until the main step contacts the ground. The lower steps of the stairway are designed to absorb ground contact without damage. In addition, the stairway is equipped with shock absorbing tubes. If the shock absorbing tubes become deformed by stairway-ground contact, they must be replaced before normal operation can be resumed.
Aft Service Door
The aft service door is installed on the left side of the fuselage and can be opened from either inside or outside the airplane. The door swings outward after the hinge has moved inward and upper and lower gates fold, permitting the door to move edgewise through the doorway. An evacuation slide is installed on the door. Operating instructions for the door and the slide are stenciled on the door and slide container, respectively. A door warning light on the annunciator panel will come on when the door is not closed and locked.

Continental
Rev. 12/01/00 #29 Flight Manual

PASSENGER FORWARD ENTRANCE DOOR AND STAIR FORWARD STAIRWELL DOOR LATCH INSPECTION VIEWER

Continental
Rev. 12/01/00 #29 Flight Manual

FORWARD AND AFT SERVICE DOORS PASSENGER AFT ENTRANCE DOOR AND STAIR

Continental
Rev. 12/01/00 #29 Flight Manual

PASSENGER AFT ENTRANCE DOOR AND STAIR
FLIGHT COMPARTMENT LIGHTING

Flight compartment lighting provides general and local lighting of the cockpit area, panels, instruments, and controls. Separate lighting control panels provide individual selection of intensity and the area to be lighted.
White incandescent floodlights are provided for the overhead panel pedestal, Captain’s, First Officer’s, and center instrument panels. White fluorescent floodlights are provided for the Captain’s and First Officer’s instrument panels. Lighted digital readouts are provided at the digital flight guidance control panel, Captain’s and First Officer’s flight mode annunciators, and the fuel quantity indicator. Integral panel and instrument lighting is also provided.
A thunderstorm light switch is provided which overrides the individual lighting controls and turns on all floodlights and digital lighting to maximum intensity.
Note: With the Thunderstorm light switch ON, the digital lights will not
operate at full bright unless either fuel control lever is ON. This
feature extends the service life of the digital readout lamps.
A flight deck floodlight switch operates two floodlight units in the ceiling to provide general cockpit floodlighting below the level of the thunderstorm lights. In the ON position, one light is on in each unit. In the ALT THNDRSTRM position, one additional light comes on in each unit for additional lighting.
In the event of complete loss of normal electrical power with the battery switch in ON, minimal lighting is automatically provided by incandescent floodlights at the Captain’s and First Officer’s instrument panels and at the left center instrument panel and left pedestal. In this situation, the lights receive electrical power from the DC transfer bus through the COCKPIT WHITE FLOOD LIGHTS circuit breaker. The intensity of the left center instrument panel and left pedestal floodlights can be individually adjusted from minimal to bright using the center instrument and pedestal floodlights knob. The right overhead panel floodlight can be adjusted from off to maximum intensity using the overhead console flood light knob.
When the emergency power switch is moved to ON with normal electrical power off and battery switch in ON, minimal floodlighting will continue to be provided at the Captain’s and First Officer’s instrument panels floodlights and at the left center instrument panel and left pedestal floodlights. In this situation, the lights receive electrical power from the emergency DC bus and the DC transfer bus through the CAPT & F / O WHITE FLOODLIGHTS and the COCKPIT WHITE FLOODLIGHTS circuit breakers respectively. All floodlights which come on automatically can be individually controlled from minimal to maximum intensity using their respective floodlights knob.
　
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