QRH Memory Items
3 important questions on QRH Memory Items
CABIN ALTITUDE WARNING
Condition: One or more of these occur:
Go to the Emergency Descent checklist
- A cabin altitude exceedance
- In flight, the intermittent cabin altitude/configuration warning horn sounds or a CABIN ALTITUDE light (if installed and operative) illuminates.
- Don oxygen masks and set regulators to 100%.
- Establish crew communications.
- Pressurization mode selector . . . MAN
- Outflow valve switch . . . Hold in CLOSE until the outflow VALVE indication shows fully closed.
- If cabin altitude is uncontrollable:
- Passenger signs . . . ON
- PASS OXYGEN switch . . . ON
Go to the Emergency Descent checklist
ENGINE FIRE or Engine Severe Damage or Separation
Condition: One or more of these occur:
- Engine fire warning
- Airframe vibrations with abnormal engine indications
- Engine separation.
- Autothrottle (if engaged) . . . Disengage
- Thrust lever (affected engine) . . . Confirm . . . Close
- Engine start lever (affected engine) . . . Confirm . . . CUTOFF
- Engine fire switch (affected engine) . . . Confirm . . . Pull
- If the engine fire switch or ENG OVERHEAT light is illuminated:
- Engine fire switch . . . Rotate to the stop and hold for 1 second
- Engine fire switch . . . Rotate to the other stop and hold for 1 second
Engine Limit or Surge or Stall
Condition: One or more of these occur:
Objective: To attempt to recover normal engine operation or shut down the engine if recovery is not possible.
- Engine indications are abnormal
- Engine indications are rapidly approaching or exceeding limits
- Abnormal engine noises are heard, possibly with airframe vibration
- There is no response to thrust lever movement or the response is abnormal
- Flames in the engine inlet or exhaust are reported.
Objective: To attempt to recover normal engine operation or shut down the engine if recovery is not possible.
- Autothrottle (if engaged) . . . Disengage
- Thrust lever (affected engine) . . . Confirm . . . Retard until engine indications stay within limits or the thrust lever is closed
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