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… of the Reduction Gearbox (RGB) 1 st stage carrier bolts, P/N MS9490-34. All but one of these incidents occurred … investigation revealed that several 1 st stage carrier bolts had fractured in fatigue. In another instance a hex … the requirement to incorporate new 1 st stage carrier bolts at overhaul and to lubricate the bolts on assembly. …
29.571
… learned through the Service Difficulty Reporting System of a flap cable breakage during landing on a Cessna 336. … side. The cable is bent around the bellcrank in a tight radius bend and attaches to the bellcrank by a threaded end … cable and bellcrank during the flap operation at the bend radius. This motion sets up a wear pattern on the inside …
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