QRH Memory Items

3 important questions on QRH Memory Items

CABIN ALTITUDE WARNING

Condition: One or more of these occur:
  • A cabin altitude exceedance
  • In flight, the intermittent cabin altitude/configuration warning horn sounds or a CABIN ALTITUDE light (if installed and operative) illuminates.

  1. Don oxygen masks and set regulators to 100%.
  2. Establish crew communications.
  3. Pressurization mode selector . . . MAN
  4. Outflow valve switch . . . Hold in CLOSE until the outflow VALVE indication shows fully closed.
  5. 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.

  1. Autothrottle (if engaged) . . . Disengage
  2. Thrust lever (affected engine) . . . Confirm . . . Close
  3. Engine start lever (affected engine) . . . Confirm . . . CUTOFF
  4. Engine fire switch (affected engine) . . . Confirm . . . Pull
  5. If the engine fire switch or ENG OVERHEAT light is illuminated:
    • Engine fire switch . . . Rotate to the stop and hold for 1 second
         If after 30 seconds the engine fire switch or ENG                               OVERHEAT light stays illuminated:
    • 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:
  • 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.

  1. Autothrottle (if engaged) . . . Disengage
  2. Thrust lever (affected engine) . . . Confirm . . . Retard until engine indications stay within limits or the thrust lever is closed

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