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A diagram of the aft pressure bulkhead of the Boeing 747 used on Japan Air Lines Flight 123. Multiple instances of damage to the aft pressure bulkhead have occurred; while a few cases have led to serious failures leading to aircraft losses, others have proven to be survivable.
AMES Completes Aft Pressure Bulkhead Replacement on B767F First Project Of Its Kind Ever Performed by Non-OEM Provider WILMINGTON, Ohio--(BUSINESS WIRE)-- Airborne Maintenance and Engineering ...
Of the 394 people on board, 25 sustained injuries, 23 minor and 2 serious. The tailstrike cracked open the aft pressure bulkhead. The damage was repaired by Boeing technicians, and the aircraft was returned to service. [5] [3] [6] The aircraft had flown for 8,830 hours at the time. [5]: 4
The 767-300F, the production freighter version of the 767-300ER, entered service with UPS Airlines in 1995. [157] The 767-300F can hold up to 24 standard 88-by-125-inch (220 by 320 cm) pallets on its main deck and up to 30 LD2 unit load devices on the lower deck, [25] with a total cargo volume of 15,469 cubic feet (438 m 3). [158]
Airline supplier Spirit Aerosystems says it's aware of a quality issue involving elongated fastener holes on the aft pressure bulkhead on certain models of the 737 fuselage it produces. “Boeing ...
Outflow and pressure relief valve on a Boeing 737-800 At least two engines provide compressed bleed air for all the plane's pneumatic systems, to provide full redundancy . Compressed air is also obtained from the auxiliary power unit (APU), if fitted, in the event of an emergency and for cabin air supply on the ground before the main engines ...
Outflow and pressure relief valve on a Boeing 737-800. Airflow into the fuselage is approximately constant, and pressure is maintained by varying the opening of the out-flow valve (OFV). Most modern jetliners have a single OFV located near the bottom aft end of the fuselage, although some larger aircraft like the Boeing 747 and 777 have two.
The engine may cool too rapidly, resulting in stuck valves, cracked cylinders or other problems. Spoilers alleviate the situation by allowing the aircraft to descend at a desired rate while letting the engine run at a power setting that keeps it from cooling too quickly (especially true for turbocharged piston engines, which generate higher ...