ARMED – all emergency lights illuminate automatically if airplane electrical
power to DC bus No. 1 fails or AC power is turned off.
ON – all emergency lights illuminate.

Emergency Exit Lights (EMER EXIT LIGHTS) NOT ARMED Light
Illuminated (amber) – EMER EXIT LIGHTS switch not in ARMED position.

NO SMOKING Lights Switch
OFF – the NO SMOKING signs are not illuminated.
AUTO – the NO SMOKING signs are illuminated or extinguished automatically
with reference to airplane configuration (refer to the Lighting System Description
section).

ON – the NO SMOKING signs are illuminated.

Copyright . The Boeing Company. See title page for details.
1.30.8  June 6, 2003

Airplane General, Emergency Equipment, Doors, Windows -Controls and Indicators
737 Operations Manual

SEAT BELTS Lights Switch
OFF – the FASTEN SEAT BELTS and RETURN TO SEAT signs are not

illuminated.
AUTO – the FASTEN SEAT BELTS and RETURN TO SEAT signs are
illuminated or extinguished automatically with reference to airplane configuration
(refer to the Lighting System Description section).

ON – the FASTEN SEAT BELTS and RETURN TO SEAT signs are illuminated.

Passenger Cabin

Passenger Cabin Emergency Exit Lights Switch (guarded, red)
ON – all interior and exterior emergency lights are illuminated.
NORM – Emergency lights OFF unless activated by the flight deck switch.

Doors
Cabin Door (as installed)

Cabin Door (CAB DOOR) Lock Switch Illuminated (amber) – cabin door is unlocked. Push – with AC power available, locks cabin door.
Airplane General, Emergency Equipment, Doors, Windows -Controls and Indicators
737 Operations Manual
Flight Deck Door (as installed)
1
FOR GROUND USE ONLY
DEADBOLT POSITIONS
UNLOCKED
LOCKED KEY OPERABLE
LOCKED KEY INOPERABLE
3
2
AFT
FLIGHT DECK DOOR
1 Deadbolt and Deadbolt Placard
2 Release Pins
Pull pins inward - manually separates decompression panel from a jammed door to allow panel opening and egress.
3 Decompression Panel
Provides emergency egress path and automatically opens during cabin decompression.
Copyright . The Boeing Company. See title page for details.
1.30.10  December 5, 2003

Airplane General, Emergency Equipment, Doors, Windows -Controls and Indicators
737 Operations Manual
Flight Deck Emergency Access Panel

Keypad
Push - enters 3 to 8 digit emergency access code by pressing numeric then “ENT” keys. Entry of correct emergency access code sounds flight deck chime.

Access Lights
Illuminated (red) - door locked or Flight Deck Access System switch OFF.
Illuminated (amber) - correct emergency access code entered.
Illuminated (green) - door unlocked.

Airplane General, Emergency Equipment, Doors, Windows -Controls and Indicators 737 Operations Manual

Flight Deck Access System Switch

Flight Deck Access System Switch
OFF - removes electrical power from door lock.
NORM (Normal) - flight deck access system configured for flight.

Flight Deck Door Lock Panel

LOCK FAIL Light
Illuminated (amber) - Flight Deck Door Lock selector in AUTO and door lock has failed or Flight Deck Access System switch is OFF.

AUTO Unlock (UNLK) Light
Illuminated (amber) - correct emergency access code entered in keypad. AUTO UNLK light flashes and continuous chime sounds before timer expires and door unlocks.
Copyright . The Boeing Company. See title page for details.
1.30.12  December 6, 2002

Airplane General, Emergency Equipment, Doors, Windows -Controls and Indicators
737 Operations Manual

Flight Deck (FLT DK) Door Lock Selector
Spring loaded to AUTO. Selector must be pushed in to rotate from AUTO to
UNLKD. Selector must not be pushed in to rotate from AUTO to DENY.

UNLKD - door unlocked while selector in UNLKD.
AUTO - door locked. Allows door to unlock after entry of emergency access code
and expiration of timer, unless crew takes action.

DENY - rejects keypad entry request and prevents further emergency access code
entry for a time period.

Airplane General, Emergency Equipment, Doors, Windows -Controls and Indicators

Exterior Door Annunciator Lights
1L 
 
 1R 
2L 
 
 2R

Interior Door Annunciations
Illuminated (amber) – related door is unlocked.
Copyright . The Boeing Company. See title page for details.
1.30.14  December 6, 2002
　
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