起落架大修的前途.doc

起落架大修之路，是坦途还是荆棘密布 Landing Gears: Touchdown Or Meltdown? 日期：08-08-06 13:26:31 作者：Bill Burchell比尔 伯切尔 著 / 汕头航空公司 岳瑞军 编译 never been more chaotic, with some new gear lead times running at up to four years and overhaul queues lengthening by the day. The question is, how has this happened when landing gear maintenance intervals are widely known? 由于全新起落架交付时间差不多为4年，而起落架大修的排队现象与日俱增，因此，起落架大修、全新起落架、起落架和起落架备件调配的市场需求从来没有现在这么旺盛过。问题是，在大家都清楚起落架维修间隔的情况下，事情是怎么发生的呢？ The reasons are many, but uniquely exacerbated by a number of coinciding factors. These include: 原因林林总总，主要包括： * The large number of aircraft sales between 1998 and 2000 which, given their 18,000-cycle or eight- to 10-year TBOs (time between or before overhaul), has created an unprecedented demand for landing gear overhauls on both long- and short-haul aircraft; * 1998年至2000年，飞机大量销售，其大修间隔（TBO）为18000循环或8到10年，使长大修间隔和短大修间隔飞机的起落架大修需求都空前高涨； * Record aircraft production following unprecedented sales in 2006 and 2007; 2006年至2007年，因空前的飞机销售量，飞机的生产量也创下新记录； * Higher utilization of short-haul aircraft, which has shortened TBOs for some airlines by one or more years; * 短大修间隔飞机的利用率提高，一些航空公司TBO缩短了一年甚至更多； * The growing number of aircraft in service, including some older types returned from desert storage, bringing more and more landing gear into the market. This also has increased the number of findings in line maintenance (such as leakage or heavy corrosion, etc.), which also drives early overhauls; * 服役飞机的数量增加，包括一些曾被封存的老旧飞机，将起落架需求越来越多地带给市场。这还让航线维护检查诸如渗漏或严重腐蚀检查的工作量增加，也让起落架大修提前； * A lack of landing gear overhaul capacity created by the high cost of setting up an overhaul facility. The number of service providers has not grown enough to meet the increasing need; * 昂贵的大修设施投入使得起落架大修能力不足。很多提供服务的承修商的发展速度已不足以满足日益增长的需求； * Seasonal cycles have overloaded winter overhaul slots, leaving some summer slots unfilled; * 冬季大修工作安排得比较繁重，使得夏季工作不饱满； * A worldwide shortage of raw materials like rubber, high strength steel and titanium, exacerba