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- Hydraulic System Quantity or Pressure Loss
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- {*HIDE !}
- IMMEDIATE ACTION: |
- Is quantity zero or pressure zero in SYS A and/or SYS B?
- (no) IMMEDIATE ACTION: |
- Speed Brake Lever - FORWARD IN DECENT Control Wheel NEUTRAL.
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- IMMEDIATE ACTION: |
- Monitor SYS A until its quantity decreases to 1.84 gallons
- Does SYS A quantity drop below 1.84 gallons?
- (no) Is SYS B low quantity light ON of pressure decreasing?
- (no) Monitor both hydraulic systems for remainder of flight.
- (yes) IMMEDIATE ACTION: |
- SYS B Spoiler/Switch - OFF, |
- SYS B Flight Control / Switch - STBY RUD, |
- SYS B Elec Pump 1 & 2 / Switches - OFF |
- SYS B is unusable. | See NOTE 2 (Pg. 1-310-7).
- (yes) IMMEDIATE ACTION: |
- SYS A Spoiler / Switch - OFF, |
- SYS A Flight Control / STBY RUD |
- SYS A Eng 1 & 2 Pump / Switches - OFF.
- Is SYS A quantity still decreasing?
- (no) Landing Gear Lever - OFF |
- Alternate Flaps Master - ON.
- SYS A Eng 1 & 2 Pump / Switches | (one at a time) - ON |
- CHECK FOR LEAK.
- Does leak start?
- (yes) From both pumps?
- (yes) SYS A unusable. | See NOTE 1 (Pg.1-310-7).
- (no) Use good pump to restore SYS A.
- (no) Restore SYS A units, one at a time, pausing to check for leak. |
- Leave leaking unit off and restore SYS A |
- If Spoiler leak, rec.!
- (yes) SYS A is unusable |
- See NOTE 1 (PG.1-310-7).!
- (yes) Spoiler Switch - OFF |
- Flight Control Switch - STBY RUD - |
- For associated system, see NOTE 1 | if SYS A is unusable (Pg.1-310-7).
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