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Fixing engine failure due to a serious lickage…easy!

151,669 次观看 • 1 个月前 •via X (Twitter)

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The name on one of the crew might ring a bell... June 19 1947: Pan Am Flight 121, a Constellation, crash-lands in Mayadine (Syria). 14 of 36 aboard die. In flight, the #1 engine failed due to a mechanical issue. Attempting to divert to an alternate airport, the #2 engine also failed. The crew made a belly landing in the desert, where the aircraft caught fire. Among the survivors was a dead heading 3rd officer named Gene Roddenberry, who would go on to create the iconic science fiction television series “Star Trek”. This was Roddenbery´s 2nd major plane crash, having survived another major accident during his service in the Pacific Theatre, during WW2 Accident description from ASN (One of many period accidents where an engine failure led to a fatal crash. Nowadays, an engine fail is nearly routine and at worst it causes a diversion...) "The Constellation, named "Clipper Eclipse", was cruising at FL185 when the no. 1 prop had to be feathered due to engine problems. The remaining three engines overheated, forcing the crew to reduced power. This resulted in a gradual descent. The crew elected to continue to Istanbul instead of landing at the nearby Habbaniya RAF Station in Iraq. While descending through FL100 a fire broke out in the engine no. 2 nacelle. A rapid descent was started during which the no. 2 engine separated from the wing. With the left wing on fire a belly landing was carried out in the desert. It appeared the no. 1 engine failure was due to a broken exhaust rocker arm on the no.18 cylinder. The no. 2 engine failure was due to a failure of the thrust bearing which in turn resulted in blocking the passage of oil from the propeller feathering motor to the propeller dome. PROBABLE CAUSE: "The Board determines that the probable cause of this accident was a fire which resulted from an attempt to feather the No. 2 propeller after the failure of the No. 2 engine thrust bearing."

Francisco Cunha

56,655 次观看 • 1 个月前