Skidz Posted February 14, 2005 Report Share Posted February 14, 2005 Read this in Helicopters Monthly February 14, 2005 Airworthiness Directives; Bell Helicopter Textron Canada Model 407 Helicopters HM Staff This amendment adopts a new airworthiness directive (AD) for Bell Helicopter Textron Canada (Bell) Model 407 helicopters that requires creating a component history card or equivalent record for each crosstube assembly, converting accumulated run-on landings to an accumulated Retirement Index Number (RIN) count, and establishing a maximum accumulated RIN for certain crosstube assemblies. This amendment is prompted by fatigue testing, analysis, and evaluation by the manufacturer that determined that run-on landings impose a high stress on landing gear or crosstubes and may cause cracking in the area above the skid tube saddle. The actions specified by this AD are intended to prevent fatigue failure in a crosstube assembly due to excessive stress during run-on landings and subsequent loss of control of the helicopter. See the full AD at Bell 407 AD My question is: Do people do run-on landings on a regular basis in 407s, or in any other skid-mounted a/c ? Quote Link to comment Share on other sites More sharing options...
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