The QRH/ECL on the B777 is organized into three primary layers to ensure no procedure is missed: Normal Checklists
: If an engine catches fire, pilots pull the fire handle and discharge a bottle of fire suppressant. If the fire warning light doesn't go out, they discharge the second bottle. b777 qrh exclusive
: Critical actions performed without the manual (e.g., Engine Fire or Aborted Engine Start). The QRH/ECL on the B777 is organized into
Even with an advanced ECL, some scenarios require immediate action before the checklist is opened. These are known as Memory Items Immediate Response : Procedures like Cabin Altitude Engine Surge/Stall require the crew to establish a safe flight path first. Verification Even with an advanced ECL, some scenarios require
This is the most exclusive procedure in the book. If the cargo fire indication goes off, you cannot land immediately (you need to depressurize to snuff the fire or get on the ground). A to operators like FedEx or Cathay Cargo gives you a "smoke penetration time" and a "ramp emergency checklist" that tells Air Traffic Control: "We must descend to 14,000 feet and land within 20 minutes, regardless of fuel cost."
At its core, the QRH is a condensed manual containing checklists for nearly every conceivable non-normal or emergency situation. For the Boeing 777, a "Triple Seven" pilot doesn't memorize every step of an engine fire; they memorize the Memory Items