Boeing 727 Abnormal Checklist
Revised 05-Apr-2001
 
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HYDRAULIC SYSTEM LEAK OR LOSS
Speedbrake Lever
Detent
C
Hydraulic Indications -----------
A Qty 2.5 Steady Or Both B Sys Pump Low Px Lights Illum
Goto B System
|
A Qty Below 2.5 Or Both A Pump Low Px Lights Illum
Control Wheel Neutral
C
Spoiler Switch System A Off
C
Standby Rudder Switch On
C
System A Pump Switches Off
F/E
Autopilot Servo Elevator Switch B
C
A Quantity -------------------
Steady-------------------
Goto Red
|
Decreasing
System A Fluid Shutoff Switches Close
F/E
RED
A Quantity
|
Steady, Decreasing Or Zero

Review system A loss advisory items, and accomplish Decent - Approach and Landing part of this checklist or accomplish leak isolation actions stated in the amplified checklist.

*** END***
B SYSTEM
Quantity Decreasing Or Both B Low Press Lights Illum
---Pressure & Qty Normal
Goto Green
|
Control Wheel Neutral
C
Spoiler Switch System B Off
C
System B Pump Switches Off
F/E
Autopilot Servo Elevator Switch A
C
B Quantity
|
Steady, Decreasing Or Zero
Review system B loss advisory items, and accomplish Decent - Approach and Landing part of this checklist or accomplish leak isolation actions stated in the amplified checklist.
*** END ***
GREEN
Hydraulic Quantity Indicators Monitor
F/E
System A Loss
* Check weather crosswind capability is 19 Kts
* Observe yaw damper limitations
* Plan manual gear and alternate flap extension
* Plan flaps 15 landing, use VRef + 15 Kts
* Otbd and ground spoilers, nose brakes, and steering are inoperative.
System B Loss
* Check weather crosswind capability is 19 Kts
* Observe yaw damper limitations
* Plan flaps 15 landing, use VRef + 15 Kts
*Inbd spoilers and upper rudder inoperative
System A & B Loss (Manual Reversion)
*Accomplish all procedural steps of the hydraulic leak and loss checklist.
* Check weather crosswind capability is 15 Kts
*Observe yaw damper limitations
* Plan manual gear and alternate flap extension
* Plan flaps 15 landing, use VRef + 15 Kts
* Use reverse thrust, Apply brakes and hold
* Pneumatic brakes if required
DECENT - APPROACH
Pressurisation & Cooling Doors Set
F/E
Seat Belt Switch On
F/E
Anti-Ice Close / Open
F/O
Landing Lights On
F/O
Altimeters Set & Crosscheck
All
Radio Altimeters Set
C F/O
Flight Instruments, FDS & Radios Set & Crosscheck
C F/O
Go Around EPR and Vref + 15 Kts Set Bugs
All
Fuel Set For Landing
F/E
Circuit Breakers Check
F/E
System A or A & B Loss
Alternate Flap Master Switch On
F/O
Flap Lever Flap 15
F/O
Flaps Extend On Schedule
C
Gear Extend Manually
F/E
Decent - Approach Checklist Complete
F/E
LANDING
No Smoking Switch On
F/E
Ignition Flt St
F/E
Gear Down, In, 3 Green
C
Anti-Skid 5 Releases
F/E
Flaps 15, 15 Green Light
C
Hydraulic Pressure & Quantity Check
F/E
--------Short Final--------
System B Loss
Brake Interconnect Open
F/E
Landing Checklist Complete
F/E

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